Collection: Balls - Metallic - Stainless Steel

Balls -> Metallic -> Stainless Steel
Diameter (D) Material Precision Hardness Properties Colour Indicative
Image
Metallic Balls - 2.778 mm 440C Stainless - ISO 3290 Grade 3 Ball
Diameter (D)
2.778
mm
+/- 0.000762
(Equiv. 0.109 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 3
Hardness
55-60 Rockwell C
Properties
Commonly used in precision bearings. Corrosion resistant.
Colour
Silver
Metallic Balls - 2.778 mm 440C Stainless - ISO 3290 Grade 3 Ball
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00278-S440-G3 (Pack of 10)
8 units (80 pcs) Available Now | Further orders can be expected around Sun, Sep 06, 2026
Regular price $4.14 AUD
Regular price $8.24 AUD Sale price $4.14 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 8 available can be backordered.
Diameter (D) Material Precision Hardness Indicative
Image
Metallic Balls - 2.778 mm 440C Stainless - ISO 3290 Grade 3 Ball
Diameter (D)
2.778
mm
+/- 0.000762
(Equiv. 0.109 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 3
Hardness
55-60 Rockwell C
Metallic Balls - 2.778 mm 440C Stainless - ISO 3290 Grade 3 Ball
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00278-S440-G3 (Pack of 10)
8 units (80 pcs) Available Now | Further orders can be expected around Sun, Sep 06, 2026
Regular price $4.14 AUD
Regular price $8.24 AUD Sale price $4.14 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

8 units (80 pcs) Available Now. Backorder if more than 8.
Metallic Balls - 2.778 mm 440C Stainless - ISO 3290 Grade 40 Ball
Diameter (D)
2.778
mm
+/- 0.005080
(Equiv. 0.109 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 40
Hardness
55-60 Rockwell C
Properties
Commonly used in precision bearings. Corrosion resistant.
Colour
Silver
Metallic Balls - 2.778 mm 440C Stainless - ISO 3290 Grade 40 Ball
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00278-S440-G40 (Pack of 100)
107 units (10700 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $8.41 AUD
Regular price Sale price $8.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 107 available can be backordered.
Metallic Balls - 2.778 mm 440C Stainless - ISO 3290 Grade 40 Ball
Diameter (D)
2.778
mm
+/- 0.005080
(Equiv. 0.109 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 40
Hardness
55-60 Rockwell C
Metallic Balls - 2.778 mm 440C Stainless - ISO 3290 Grade 40 Ball
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00278-S440-G40 (Pack of 100)
107 units (10700 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $8.41 AUD
Regular price Sale price $8.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

107 units (10700 pcs) Available Now. Backorder if more than 107.
Metallic Balls - 3 mm 304 Stainless - ISO 3290 Grade 200 Ball
Diameter (D)
3.000
mm
+/- 0.01270
(Equiv. 0.118 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 200
Hardness
25-39 Rockwell C
Properties
Low magnetic permeability. Good corrosion resistance
Colour
Silver
Metallic Balls - 3 mm 304 Stainless - ISO 3290 Grade 200 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00300-S4-G200 (Pack of 200)
51 units (10200 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $7.14 AUD
Regular price Sale price $7.14 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 51 available can be backordered.
Metallic Balls - 3 mm 304 Stainless - ISO 3290 Grade 200 Ball
Diameter (D)
3.000
mm
+/- 0.01270
(Equiv. 0.118 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 200
Hardness
25-39 Rockwell C
Metallic Balls - 3 mm 304 Stainless - ISO 3290 Grade 200 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Properties: Low magnetic permeability. Good corrosion resistance    Colour: Silver    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00300-S4-G200 (Pack of 200)
51 units (10200 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $7.14 AUD
Regular price Sale price $7.14 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

51 units (10200 pcs) Available Now. Backorder if more than 51.
Metallic Balls - 3 mm 316 Stainless - ISO 3290 Grade 200 Ball
Diameter (D)
3.000
mm
+/- 0.01270
(Equiv. 0.118 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 200
Hardness
25-39 Rockwell C
Properties
Resistant to severe corrosive conditions
Colour
Silver
Metallic Balls - 3 mm 316 Stainless - ISO 3290 Grade 200 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00300-S6-G200 (Pack of 500)
10 units (5000 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $8.41 AUD
Regular price Sale price $8.41 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 10 available can be backordered.
Metallic Balls - 3 mm 316 Stainless - ISO 3290 Grade 200 Ball
Diameter (D)
3.000
mm
+/- 0.01270
(Equiv. 0.118 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 200
Hardness
25-39 Rockwell C
Metallic Balls - 3 mm 316 Stainless - ISO 3290 Grade 200 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00300-S6-G200 (Pack of 500)
10 units (5000 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $8.41 AUD
Regular price Sale price $8.41 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

10 units (5000 pcs) Available Now. Backorder if more than 10.
Metallic Balls - 3 mm 440C Stainless - ISO 3290 Grade 16 Ball
Diameter (D)
3.000
mm
+/- 0.00254
(Equiv. 0.118 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 16
Hardness
55-60 Rockwell C
Properties
Commonly used in precision bearings. Corrosion resistant.
Colour
Silver
Metallic Balls - 3 mm 440C Stainless - ISO 3290 Grade 16 Ball
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00300-S440-G16 (Pack of 100)
13 units (1300 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $4.86 AUD
Regular price Sale price $4.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 13 available can be backordered.
Metallic Balls - 3 mm 440C Stainless - ISO 3290 Grade 16 Ball
Diameter (D)
3.000
mm
+/- 0.00254
(Equiv. 0.118 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 16
Hardness
55-60 Rockwell C
Metallic Balls - 3 mm 440C Stainless - ISO 3290 Grade 16 Ball
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00300-S440-G16 (Pack of 100)
13 units (1300 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $4.86 AUD
Regular price Sale price $4.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

13 units (1300 pcs) Available Now. Backorder if more than 13.
Metallic Balls - 3.175 mm 304 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
3.175
mm
+/- 0.01270
(Equiv. 0.125 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Low magnetic permeability. Good corrosion resistance
Colour
Silver
Metallic Balls - 3.175 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00318-S4-G100 (Pack of 100)
448 units (44800 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $4.86 AUD
Regular price Sale price $4.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 448 available can be backordered.
Metallic Balls - 3.175 mm 304 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
3.175
mm
+/- 0.01270
(Equiv. 0.125 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 3.175 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Properties: Low magnetic permeability. Good corrosion resistance    Colour: Silver    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00318-S4-G100 (Pack of 100)
448 units (44800 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $4.86 AUD
Regular price Sale price $4.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

448 units (44800 pcs) Available Now. Backorder if more than 448.
Metallic Balls - 3.175 mm 316 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
3.175
mm
+/- 0.01270
(Equiv. 0.125 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Resistant to severe corrosive conditions
Colour
Silver
Metallic Balls - 3.175 mm 316 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00318-S6-G100 (Pack of 100)
251 units (25100 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $8.41 AUD
Regular price Sale price $8.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 251 available can be backordered.
Metallic Balls - 3.175 mm 316 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
3.175
mm
+/- 0.01270
(Equiv. 0.125 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 3.175 mm 316 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00318-S6-G100 (Pack of 100)
251 units (25100 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $8.41 AUD
Regular price Sale price $8.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

251 units (25100 pcs) Available Now. Backorder if more than 251.
Metallic Balls - 3.175 mm 420 Stainless - ISO 3290 Grade 20 Ball
Diameter (D)
3.175
mm
+/- 0.00254
(Equiv. 0.125 in.)
Material
420 Stainless
Precision
ISO 3290 Grade 20
Hardness
55-60 Rockwell C
Properties
Commonly used in precision bearings. Corrosion resistant.
Colour
Silver
Metallic Balls - 3.175 mm 420 Stainless - ISO 3290 Grade 20 Ball
Material: Stainless Steel AISI 420C Rc 46-52    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00318-S420-G28 (Pack of 100)
205 units (20500 pcs) Available Now | Further orders can be expected around Sat, Sep 12, 2026
Regular price $14.50 AUD
Regular price Sale price $14.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 205 available can be backordered.
Metallic Balls - 3.175 mm 420 Stainless - ISO 3290 Grade 20 Ball
Diameter (D)
3.175
mm
+/- 0.00254
(Equiv. 0.125 in.)
Material
420 Stainless
Precision
ISO 3290 Grade 20
Hardness
55-60 Rockwell C
Metallic Balls - 3.175 mm 420 Stainless - ISO 3290 Grade 20 Ball
Material: Stainless Steel AISI 420C Rc 46-52    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00318-S420-G28 (Pack of 100)
205 units (20500 pcs) Available Now | Further orders can be expected around Sat, Sep 12, 2026
Regular price $14.50 AUD
Regular price Sale price $14.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

205 units (20500 pcs) Available Now. Backorder if more than 205.
Metallic Balls - 3.175 mm 440C Stainless - ISO 3290 Grade 20 Ball
Diameter (D)
3.175
mm
+/- 0.00254
(Equiv. 0.125 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 20
Hardness
55-60 Rockwell C
Properties
Commonly used in precision bearings. Corrosion resistant.
Colour
Silver
Metallic Balls - 3.175 mm 440C Stainless - ISO 3290 Grade 20 Ball
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00318-S440-G20 (Pack of 200)
5 units (1000 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 5 available can be backordered.
Metallic Balls - 3.175 mm 440C Stainless - ISO 3290 Grade 20 Ball
Diameter (D)
3.175
mm
+/- 0.00254
(Equiv. 0.125 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 20
Hardness
55-60 Rockwell C
Metallic Balls - 3.175 mm 440C Stainless - ISO 3290 Grade 20 Ball
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00318-S440-G20 (Pack of 200)
5 units (1000 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

5 units (1000 pcs) Available Now. Backorder if more than 5.
Metallic Balls - 3.5 mm 440C Stainless - ISO 3290 Grade 28 Ball
Diameter (D)
3.500
mm
+/- 0.00254
(Equiv. 0.138 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 28
Hardness
55-60 Rockwell C
Properties
Commonly used in precision bearings. Corrosion resistant.
Colour
Silver
Metallic Balls - 3.5 mm 440C Stainless - ISO 3290 Grade 28 Ball
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00350-S440-G28 (Pack of 100)
91 units (9100 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $7.77 AUD
Regular price Sale price $7.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 91 available can be backordered.
Metallic Balls - 3.5 mm 440C Stainless - ISO 3290 Grade 28 Ball
Diameter (D)
3.500
mm
+/- 0.00254
(Equiv. 0.138 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 28
Hardness
55-60 Rockwell C
Metallic Balls - 3.5 mm 440C Stainless - ISO 3290 Grade 28 Ball
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00350-S440-G28 (Pack of 100)
91 units (9100 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $7.77 AUD
Regular price Sale price $7.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

91 units (9100 pcs) Available Now. Backorder if more than 91.
Metallic Balls - 3.969 mm 304 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
3.969
mm
+/- 0.01270
(Equiv. 0.156 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Low magnetic permeability. Good corrosion resistance
Colour
Silver
Metallic Balls - 3.969 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00397-S4-G100 (Pack of 500)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 26, 2026
Regular price $15.77 AUD
Regular price Sale price $15.77 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 3.969 mm 304 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
3.969
mm
+/- 0.01270
(Equiv. 0.156 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 3.969 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Properties: Low magnetic permeability. Good corrosion resistance    Colour: Silver    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00397-S4-G100 (Pack of 500)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 26, 2026
Regular price $15.77 AUD
Regular price Sale price $15.77 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 3.969 mm 316 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
3.969
mm
+/- 0.01270
(Equiv. 0.156 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Resistant to severe corrosive conditions
Colour
Silver
Metallic Balls - 3.969 mm 316 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00397-S6-G100 (Pack of 50)
52 units (2600 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $8.86 AUD
Regular price Sale price $8.86 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 52 available can be backordered.
Metallic Balls - 3.969 mm 316 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
3.969
mm
+/- 0.01270
(Equiv. 0.156 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 3.969 mm 316 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00397-S6-G100 (Pack of 50)
52 units (2600 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $8.86 AUD
Regular price Sale price $8.86 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

52 units (2600 pcs) Available Now. Backorder if more than 52.
Metallic Balls - 3.969 mm 440C Stainless - ISO 3290 Grade 28 Ball
Diameter (D)
3.969
mm
+/- 0.00254
(Equiv. 0.156 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 28
Hardness
55-60 Rockwell C
Properties
Commonly used in precision bearings. Corrosion resistant.
Colour
Silver
Metallic Balls - 3.969 mm 440C Stainless - ISO 3290 Grade 28 Ball
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00397-S440-G28 (Pack of 200)
45 units (9000 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $10.05 AUD
Regular price Sale price $10.05 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 45 available can be backordered.
Metallic Balls - 3.969 mm 440C Stainless - ISO 3290 Grade 28 Ball
Diameter (D)
3.969
mm
+/- 0.00254
(Equiv. 0.156 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 28
Hardness
55-60 Rockwell C
Metallic Balls - 3.969 mm 440C Stainless - ISO 3290 Grade 28 Ball
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00397-S440-G28 (Pack of 200)
45 units (9000 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $10.05 AUD
Regular price Sale price $10.05 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

45 units (9000 pcs) Available Now. Backorder if more than 45.
Metallic Balls - 4 mm 304 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Low magnetic permeability. Good corrosion resistance
Colour
Silver
Metallic Balls - 4 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00400-S4-G100 (Pack of 200)
259 units (51800 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $4.86 AUD
Regular price Sale price $4.86 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 259 available can be backordered.
Metallic Balls - 4 mm 304 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 4 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Properties: Low magnetic permeability. Good corrosion resistance    Colour: Silver    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00400-S4-G100 (Pack of 200)
259 units (51800 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $4.86 AUD
Regular price Sale price $4.86 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

259 units (51800 pcs) Available Now. Backorder if more than 259.
Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Resistant to severe corrosive conditions
Colour
Silver
Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00400-S6-G100 (Pack of 20)
452 units (9040 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $2.50 AUD
Regular price Sale price $2.50 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 452 available can be backordered.
Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00400-S6-G100 (Pack of 20)
452 units (9040 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $2.50 AUD
Regular price Sale price $2.50 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

452 units (9040 pcs) Available Now. Backorder if more than 452.
Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 200 Ball
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 200
Hardness
25-39 Rockwell C
Properties
Resistant to severe corrosive conditions
Colour
Silver
Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 200 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00400-S6-G200 (Pack of 100)
91 units (9100 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $10.50 AUD
Regular price Sale price $10.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 91 available can be backordered.
Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 200 Ball
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 200
Hardness
25-39 Rockwell C
Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 200 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00400-S6-G200 (Pack of 100)
91 units (9100 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $10.50 AUD
Regular price Sale price $10.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

91 units (9100 pcs) Available Now. Backorder if more than 91.
Metallic Balls - 4 mm 316L Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
316L Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Resistant to severe corrosive conditions
Colour
Silver
Metallic Balls - 4 mm 316L Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316L    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316L Grade
Part Number: BL-00400-S6L-G100 (Pack of 20)
95 units (1900 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $7.14 AUD
Regular price Sale price $7.14 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 95 available can be backordered.
Metallic Balls - 4 mm 316L Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
316L Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 4 mm 316L Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316L    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316L Grade
Part Number: BL-00400-S6L-G100 (Pack of 20)
95 units (1900 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $7.14 AUD
Regular price Sale price $7.14 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

95 units (1900 pcs) Available Now. Backorder if more than 95.
Metallic Balls - 4 mm 440C Stainless - ISO 3290 Grade 16 Ball
Diameter (D)
4.000
mm
+/- 0.00254
(Equiv. 0.157 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 16
Hardness
55-60 Rockwell C
Properties
Commonly used in precision bearings. Corrosion resistant.
Colour
Silver
Metallic Balls - 4 mm 440C Stainless - ISO 3290 Grade 16 Ball
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00400-S440-G16 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 26, 2026
Regular price $8.23 AUD
Regular price Sale price $8.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4 mm 440C Stainless - ISO 3290 Grade 16 Ball
Diameter (D)
4.000
mm
+/- 0.00254
(Equiv. 0.157 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 16
Hardness
55-60 Rockwell C
Metallic Balls - 4 mm 440C Stainless - ISO 3290 Grade 16 Ball
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00400-S440-G16 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 26, 2026
Regular price $8.23 AUD
Regular price Sale price $8.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4.5 mm 316 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
4.500
mm
+/- 0.01270
(Equiv. 0.177 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Resistant to severe corrosive conditions
Colour
Silver
Metallic Balls - 4.5 mm 316 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00450-S6-G100 (Pack of 100)
14 units (1400 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $7.95 AUD
Regular price Sale price $7.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 14 available can be backordered.
Metallic Balls - 4.5 mm 316 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
4.500
mm
+/- 0.01270
(Equiv. 0.177 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 4.5 mm 316 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00450-S6-G100 (Pack of 100)
14 units (1400 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $7.95 AUD
Regular price Sale price $7.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

14 units (1400 pcs) Available Now. Backorder if more than 14.
Metallic Balls - 4.763 mm 304 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
4.763
mm
+/- 0.01270
(Equiv. 0.188 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Low magnetic permeability. Good corrosion resistance
Colour
Silver
Metallic Balls - 4.763 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00476-S4-G100 (Pack of 500)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 26, 2026
Regular price $27.32 AUD
Regular price Sale price $27.32 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4.763 mm 304 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
4.763
mm
+/- 0.01270
(Equiv. 0.188 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 4.763 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Properties: Low magnetic permeability. Good corrosion resistance    Colour: Silver    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00476-S4-G100 (Pack of 500)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 26, 2026
Regular price $27.32 AUD
Regular price Sale price $27.32 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4.763 mm 316 Stainless - ISO 3290 Grade 200 Ball
Diameter (D)
4.763
mm
+/- 0.01270
(Equiv. 0.188 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 200
Hardness
25-39 Rockwell C
Properties
Resistant to severe corrosive conditions
Colour
Silver
Metallic Balls - 4.763 mm 316 Stainless - ISO 3290 Grade 200 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00476-S6-G200 (Pack of 100)
191 units (19100 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $8.86 AUD
Regular price Sale price $8.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 191 available can be backordered.
Metallic Balls - 4.763 mm 316 Stainless - ISO 3290 Grade 200 Ball
Diameter (D)
4.763
mm
+/- 0.01270
(Equiv. 0.188 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 200
Hardness
25-39 Rockwell C
Metallic Balls - 4.763 mm 316 Stainless - ISO 3290 Grade 200 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00476-S6-G200 (Pack of 100)
191 units (19100 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $8.86 AUD
Regular price Sale price $8.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

191 units (19100 pcs) Available Now. Backorder if more than 191.
Metallic Balls - 4.763 mm 440C Stainless - ISO 3290 Grade 28 Ball
Diameter (D)
4.763
mm
+/- 0.00254
(Equiv. 0.188 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 28
Hardness
55-60 Rockwell C
Properties
Commonly used in precision bearings. Corrosion resistant.
Colour
Silver
Metallic Balls - 4.763 mm 440C Stainless - ISO 3290 Grade 28 Ball
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00476-S440-G28 (Pack of 100)
45 units (4500 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $10.50 AUD
Regular price $26.11 AUD Sale price $10.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 45 available can be backordered.
Metallic Balls - 4.763 mm 440C Stainless - ISO 3290 Grade 28 Ball
Diameter (D)
4.763
mm
+/- 0.00254
(Equiv. 0.188 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 28
Hardness
55-60 Rockwell C
Metallic Balls - 4.763 mm 440C Stainless - ISO 3290 Grade 28 Ball
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00476-S440-G28 (Pack of 100)
45 units (4500 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $10.50 AUD
Regular price $26.11 AUD Sale price $10.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

45 units (4500 pcs) Available Now. Backorder if more than 45.
Metallic Balls - 5 mm 304 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
5.000
mm
+/- 0.01270
(Equiv. 0.197 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Low magnetic permeability. Good corrosion resistance
Colour
Silver
Metallic Balls - 5 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00500-S4-G100 (Pack of 100)
158 units (15800 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $5.95 AUD
Regular price Sale price $5.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 158 available can be backordered.
Metallic Balls - 5 mm 304 Stainless - ISO 3290 Grade 100 Ball
Diameter (D)
5.000
mm
+/- 0.01270
(Equiv. 0.197 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 5 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Properties: Low magnetic permeability. Good corrosion resistance    Colour: Silver    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00500-S4-G100 (Pack of 100)
158 units (15800 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $5.95 AUD
Regular price Sale price $5.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

158 units (15800 pcs) Available Now. Backorder if more than 158.
Metallic Balls - 5 mm 316 Stainless - ISO 3290 Grade 200 Ball
Diameter (D)
5.000
mm
+/- 0.01270
(Equiv. 0.197 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 200
Hardness
25-39 Rockwell C
Properties
Resistant to severe corrosive conditions
Colour
Silver
Metallic Balls - 5 mm 316 Stainless - ISO 3290 Grade 200 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00500-S6-G200 (Pack of 50)
262 units (13100 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $4.23 AUD
Regular price Sale price $4.23 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 262 available can be backordered.
Metallic Balls - 5 mm 316 Stainless - ISO 3290 Grade 200 Ball
Diameter (D)
5.000
mm
+/- 0.01270
(Equiv. 0.197 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 200
Hardness
25-39 Rockwell C
Metallic Balls - 5 mm 316 Stainless - ISO 3290 Grade 200 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00500-S6-G200 (Pack of 50)
262 units (13100 pcs) Available Now | Further orders can be expected around Wed, Aug 26, 2026
Regular price $4.23 AUD
Regular price Sale price $4.23 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

262 units (13100 pcs) Available Now. Backorder if more than 262.