Collection: Balls - Metallic

Balls -> Metallic
Diameter (D) Material Precision Hardness Properties Colour Indicative
Image
Metallic Balls - 3 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Diameter (D)
3.000
mm
+/- 0.01270
(Equiv. 0.118 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Properties
Implant Grade Titanium
Colour
Silver
Metallic Balls - 3 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Material: Titanium Ti-Gr23 - 6Al4V-ELI   
Category: Balls - Metallic - Titanium Alloy
Part Number: BLT-00300-T23-12 (PK-500)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $182.86 AUD
Regular price $219.44 AUD Sale price $182.86 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Diameter (D) Material Precision Hardness Indicative
Image
Metallic Balls - 3 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Diameter (D)
3.000
mm
+/- 0.01270
(Equiv. 0.118 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Metallic Balls - 3 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Material: Titanium Ti-Gr23 - 6Al4V-ELI    Properties: Implant Grade Titanium    Colour: Silver   
Category: Balls - Metallic - Titanium Alloy
Part Number: BLT-00300-T23-12 (PK-500)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $182.86 AUD
Regular price $219.44 AUD Sale price $182.86 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 3 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Diameter (D)
3.000
mm
+/- 0.01270
(Equiv. 0.118 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Properties
Implant Grade Titanium
Colour
Silver
Metallic Balls - 3 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Material: Ti-Gr23/Ti-6AL4V-ELI   
Category: Balls - Metallic - Titanium Alloy
Part Number: BL-00300-T23-G100 (PK-10)
61 units (610 pcs) Available Now | Further orders can be expected around Sun, Aug 02, 2026
Regular price $3.23 AUD
Regular price Sale price $3.23 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 61 available can be backordered.
Metallic Balls - 3 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Diameter (D)
3.000
mm
+/- 0.01270
(Equiv. 0.118 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Metallic Balls - 3 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Material: Ti-Gr23/Ti-6AL4V-ELI    Properties: Implant Grade Titanium    Colour: Silver   
Category: Balls - Metallic - Titanium Alloy
Part Number: BL-00300-T23-G100 (PK-10)
61 units (610 pcs) Available Now | Further orders can be expected around Sun, Aug 02, 2026
Regular price $3.23 AUD
Regular price Sale price $3.23 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

61 units (610 pcs) Available Now. Backorder if more than 61.
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
Part Number: BL-00300-S4-G200 (PK-200)
59 units (11800 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 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 59 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
Part Number: BL-00300-S4-G200 (PK-200)
59 units (11800 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 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

59 units (11800 pcs) Available Now. Backorder if more than 59.
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
Part Number: BL-00300-S6-G200 (PK-500)
10 units (5000 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $6.14 AUD
Regular price Sale price $6.14 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
Part Number: BL-00300-S6-G200 (PK-500)
10 units (5000 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $6.14 AUD
Regular price Sale price $6.14 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
Part Number: BL-00300-S440-G16 (PK-100)
13 units (1300 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $3.68 AUD
Regular price Sale price $3.68 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
Part Number: BL-00300-S440-G16 (PK-100)
13 units (1300 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $3.68 AUD
Regular price Sale price $3.68 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 mm Neodymium - - Magnetic Ball
Diameter (D)
3.000
mm
+ 0.10 / - 0.00
(Equiv. 0.118 in.)
Material
Neodymium

+ 0.00 / - 0.10
Colour
Gold Plated
Metallic Balls - 3 mm Neodymium - - Magnetic Ball
Material: Neodymium   
Category: Balls - Metallic - Magnetic
Part Number: BL-00300-MAGN (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Jul 13, 2026
Regular price $17.86 AUD
Regular price Sale price $17.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 3 mm Neodymium - - Magnetic Ball
Diameter (D)
3.000
mm
+ 0.10 / - 0.00
(Equiv. 0.118 in.)
Material
Neodymium

+ 0.00 / - 0.10
Metallic Balls - 3 mm Neodymium - - Magnetic Ball
Material: Neodymium    Colour: Gold Plated   
Category: Balls - Metallic - Magnetic
Part Number: BL-00300-MAGN (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Jul 13, 2026
Regular price $17.86 AUD
Regular price Sale price $17.86 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 3 mm Neodymium N-40 - - Magnetic Ball
Diameter (D)
3.000
mm
+ 0.10 / - 0.00
(Equiv. 0.118 in.)
Material
Neodymium N-40

+ 0.00 / - 0.10
Colour
Ni plating
Metallic Balls - 3 mm Neodymium N-40 - - Magnetic Ball
Material: Neodymium N-40   
Category: Balls - Metallic - Magnetic
Part Number: BL-00300-MAGN40 (PK-3)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Jul 13, 2026
Regular price $103.77 AUD
Regular price Sale price $103.77 AUD
Priced, Stocked and Sold Per 3 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 3 mm Neodymium N-40 - - Magnetic Ball
Diameter (D)
3.000
mm
+ 0.10 / - 0.00
(Equiv. 0.118 in.)
Material
Neodymium N-40

+ 0.00 / - 0.10
Metallic Balls - 3 mm Neodymium N-40 - - Magnetic Ball
Material: Neodymium N-40    Colour: Ni plating   
Category: Balls - Metallic - Magnetic
Part Number: BL-00300-MAGN40 (PK-3)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Jul 13, 2026
Regular price $103.77 AUD
Regular price Sale price $103.77 AUD
Priced, Stocked and Sold Per 3 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 3.175 mm SAE52100 Chrome - AFBMA Grade 25 Ball
Diameter (D)
3.175
mm
+/- 0.00254
(Equiv. 0.125 in.)
Material
SAE52100 Chrome
Precision
AFBMA Grade 25
Hardness
60-70 Rockwell C
Properties
Commonly used in precision bearings.
Colour
Silver
Metallic Balls - 3.175 mm SAE52100 Chrome - AFBMA Grade 25 Ball
Material: Chrome Steel SAE 52100    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00318-CH-G25 (PK-50)
118 units (5900 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $6.14 AUD
Regular price Sale price $6.14 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 118 available can be backordered.
Metallic Balls - 3.175 mm SAE52100 Chrome - AFBMA Grade 25 Ball
Diameter (D)
3.175
mm
+/- 0.00254
(Equiv. 0.125 in.)
Material
SAE52100 Chrome
Precision
AFBMA Grade 25
Hardness
60-70 Rockwell C
Metallic Balls - 3.175 mm SAE52100 Chrome - AFBMA Grade 25 Ball
Material: Chrome Steel SAE 52100    Properties: Commonly used in precision bearings.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00318-CH-G25 (PK-50)
118 units (5900 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $6.14 AUD
Regular price Sale price $6.14 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

118 units (5900 pcs) Available Now. Backorder if more than 118.
Metallic Balls - 3.175 mm Tungsten Carbide - AFBMA Grade 25 Ball
Diameter (D)
3.175
mm
+/- 0.00254
(Equiv. 0.125 in.)
Material
Tungsten Carbide
Precision
AFBMA Grade 25
Hardness
91.5 Rockwell A
Properties
Extreme hardness and wear resistance.
Colour
Dull Grey
Metallic Balls - 3.175 mm Tungsten Carbide - AFBMA Grade 25 Ball
Material: Tungsten Carbide    Specific Gravity: 14.95   
Category: Balls - Metallic - Tungsten Carbide
Deleted Item. Available while stocks last.
Part Number: BL-00318-TC-G25 (PK-5)
4 units (20 pcs) Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.54 AUD
Regular price $10.25 AUD Sale price $4.54 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (20 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Metallic Balls - 3.175 mm Tungsten Carbide - AFBMA Grade 25 Ball
Diameter (D)
3.175
mm
+/- 0.00254
(Equiv. 0.125 in.)
Material
Tungsten Carbide
Precision
AFBMA Grade 25
Hardness
91.5 Rockwell A
Metallic Balls - 3.175 mm Tungsten Carbide - AFBMA Grade 25 Ball
Material: Tungsten Carbide    Properties: Extreme hardness and wear resistance.    Colour: Dull Grey    Specific Gravity: 14.95   
Category: Balls - Metallic - Tungsten Carbide
Deleted Item. Available while stocks last.
Part Number: BL-00318-TC-G25 (PK-5)
4 units (20 pcs) Available Now | Item Discontinued - Up to 4 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $4.54 AUD
Regular price $10.25 AUD Sale price $4.54 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (20 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Metallic Balls - 3.175 mm Phosphor Bronze - AFBMA Grade 1000 Ball
Diameter (D)
3.175
mm
+/- 0.1270
(Equiv. 0.125 in.)
Material
Phosphor Bronze
Precision
AFBMA Grade 1000
Hardness
75-98 Rockwell B
Properties
Good corrosion resistance, widely used as an electrical conductor
Colour
Bronze
Metallic Balls - 3.175 mm Phosphor Bronze - AFBMA Grade 1000 Ball
Material: Phosphor Bronze    Specific Gravity: 8.4   
Category: Balls - Metallic - Phosphor Bronze
Part Number: BL-00318-PB-G1000 (PK-100)
13 units (1300 pcs) Available Now | Further orders can be expected around Thu, Aug 20, 2026
Regular price $28.86 AUD
Regular price Sale price $28.86 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 - 3.175 mm Phosphor Bronze - AFBMA Grade 1000 Ball
Diameter (D)
3.175
mm
+/- 0.1270
(Equiv. 0.125 in.)
Material
Phosphor Bronze
Precision
AFBMA Grade 1000
Hardness
75-98 Rockwell B
Metallic Balls - 3.175 mm Phosphor Bronze - AFBMA Grade 1000 Ball
Material: Phosphor Bronze    Properties: Good corrosion resistance, widely used as an electrical conductor    Colour: Bronze    Specific Gravity: 8.4   
Category: Balls - Metallic - Phosphor Bronze
Part Number: BL-00318-PB-G1000 (PK-100)
13 units (1300 pcs) Available Now | Further orders can be expected around Thu, Aug 20, 2026
Regular price $28.86 AUD
Regular price Sale price $28.86 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
Part Number: BL-00318-S4-G100 (PK-100)
448 units (44800 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $3.68 AUD
Regular price Sale price $3.68 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
Part Number: BL-00318-S4-G100 (PK-100)
448 units (44800 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $3.68 AUD
Regular price Sale price $3.68 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
Part Number: BL-00318-S6-G100 (PK-100)
252 units (25200 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $6.14 AUD
Regular price Sale price $6.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 252 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
Part Number: BL-00318-S6-G100 (PK-100)
252 units (25200 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $6.14 AUD
Regular price Sale price $6.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

252 units (25200 pcs) Available Now. Backorder if more than 252.
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
Part Number: BL-00318-S420-G28 (PK-100)
205 units (20500 pcs) Available Now | Further orders can be expected around Tue, Jul 21, 2026
Regular price $10.95 AUD
Regular price Sale price $10.95 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
Part Number: BL-00318-S420-G28 (PK-100)
205 units (20500 pcs) Available Now | Further orders can be expected around Tue, Jul 21, 2026
Regular price $10.95 AUD
Regular price Sale price $10.95 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
Part Number: BL-00318-S440-G20 (PK-200)
5 units (1000 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $4.32 AUD
Regular price Sale price $4.32 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
Part Number: BL-00318-S440-G20 (PK-200)
5 units (1000 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $4.32 AUD
Regular price Sale price $4.32 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 - 3.4 mm SAE52100 Chrome - AFBMA Grade 25 Ball
Diameter (D)
3.400
mm
+/- 0.00254
(Equiv. 0.134 in.)
Material
SAE52100 Chrome
Precision
AFBMA Grade 25
Hardness
60-70 Rockwell C
Properties
Commonly used in precision bearings.
Colour
Silver
Metallic Balls - 3.4 mm SAE52100 Chrome - AFBMA Grade 25 Ball
Material: Chrome Steel SAE 52100    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00340-CH-G25 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $2.41 AUD
Regular price $5.43 AUD Sale price $2.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 3.4 mm SAE52100 Chrome - AFBMA Grade 25 Ball
Diameter (D)
3.400
mm
+/- 0.00254
(Equiv. 0.134 in.)
Material
SAE52100 Chrome
Precision
AFBMA Grade 25
Hardness
60-70 Rockwell C
Metallic Balls - 3.4 mm SAE52100 Chrome - AFBMA Grade 25 Ball
Material: Chrome Steel SAE 52100    Properties: Commonly used in precision bearings.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00340-CH-G25 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $2.41 AUD
Regular price $5.43 AUD Sale price $2.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 3.5 mm SAE52100 Chrome - ISO 3290 Grade 28 Ball
Diameter (D)
3.500
mm
+/- 0.00254
(Equiv. 0.138 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 28
Hardness
60-70 Rockwell C
Properties
Commonly used in precision bearings.
Colour
Silver
Metallic Balls - 3.5 mm SAE52100 Chrome - ISO 3290 Grade 28 Ball
Material: Chrome Steel SAE 52100    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00350-CH-G28 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $1.23 AUD
Regular price Sale price $1.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 3.5 mm SAE52100 Chrome - ISO 3290 Grade 28 Ball
Diameter (D)
3.500
mm
+/- 0.00254
(Equiv. 0.138 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 28
Hardness
60-70 Rockwell C
Metallic Balls - 3.5 mm SAE52100 Chrome - ISO 3290 Grade 28 Ball
Material: Chrome Steel SAE 52100    Properties: Commonly used in precision bearings.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00350-CH-G28 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $1.23 AUD
Regular price Sale price $1.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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
Part Number: BL-00350-S440-G28 (PK-100)
92 units (9200 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 92 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
Part Number: BL-00350-S440-G28 (PK-100)
92 units (9200 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $5.50 AUD
Regular price Sale price $5.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

92 units (9200 pcs) Available Now. Backorder if more than 92.
Metallic Balls - 3.5 mm Neodymium N-40 - - Magnetic Ball
Diameter (D)
3.500
mm
+ 0.10 / - 0.00
(Equiv. 0.138 in.)
Material
Neodymium N-40

+ 0.00 / - 0.10
Properties
Used widely in various cutting-edge fields such as in cell phones, HDDs, hybrid cars, etc
Colour
Ni plating
Metallic Balls - 3.5 mm Neodymium N-40 - - Magnetic Ball
Material: Neodymium N-40   
Category: Balls - Metallic - Magnetic
Part Number: BL-00350-MAGN40 (PK-10)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Metallic Balls - 3.5 mm Neodymium N-40 - - Magnetic Ball
Diameter (D)
3.500
mm
+ 0.10 / - 0.00
(Equiv. 0.138 in.)
Material
Neodymium N-40

+ 0.00 / - 0.10
Metallic Balls - 3.5 mm Neodymium N-40 - - Magnetic Ball
Material: Neodymium N-40    Properties: Used widely in various cutting-edge fields such as in cell phones, HDDs, hybrid cars, etc    Colour: Ni plating   
Category: Balls - Metallic - Magnetic
Part Number: BL-00350-MAGN40 (PK-10)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Thu, Mar 01, 2029
Metallic Balls - 3.969 mm SAE52100 Chrome - AFBMA Grade 25 Ball
Diameter (D)
3.969
mm
+/- 0.00254
(Equiv. 0.156 in.)
Material
SAE52100 Chrome
Precision
AFBMA Grade 25
Hardness
60-70 Rockwell C
Properties
Commonly used in precision bearings.
Colour
Silver
Metallic Balls - 3.969 mm SAE52100 Chrome - AFBMA Grade 25 Ball
Material: Chrome Steel SAE 52100    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00397-CH-G25 (PK-200)
245 units (49000 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 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 245 available can be backordered.
Metallic Balls - 3.969 mm SAE52100 Chrome - AFBMA Grade 25 Ball
Diameter (D)
3.969
mm
+/- 0.00254
(Equiv. 0.156 in.)
Material
SAE52100 Chrome
Precision
AFBMA Grade 25
Hardness
60-70 Rockwell C
Metallic Balls - 3.969 mm SAE52100 Chrome - AFBMA Grade 25 Ball
Material: Chrome Steel SAE 52100    Properties: Commonly used in precision bearings.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00397-CH-G25 (PK-200)
245 units (49000 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 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

245 units (49000 pcs) Available Now. Backorder if more than 245.
Metallic Balls - 3.969 mm Tungsten Carbide - ISO 3290 Grade 24 Ball
Diameter (D)
3.969
mm
+/- 0.01270
(Equiv. 0.156 in.)
Material
Tungsten Carbide
Precision
ISO 3290 Grade 24
Hardness
91.5 Rockwell A
Properties
Extreme Hardness and wear resistance.
Colour
Dull Grey
Metallic Balls - 3.969 mm Tungsten Carbide - ISO 3290 Grade 24 Ball
Material: Tungsten Carbide    Specific Gravity: 14.95   
Category: Balls - Metallic - Tungsten Carbide
Part Number: BL-00397-TC-G24 (Each)
1 Available Now | Further orders can be expected around Mon, Jun 29, 2026
Regular price $11.32 AUD
Regular price $13.58 AUD Sale price $11.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Metallic Balls - 3.969 mm Tungsten Carbide - ISO 3290 Grade 24 Ball
Diameter (D)
3.969
mm
+/- 0.01270
(Equiv. 0.156 in.)
Material
Tungsten Carbide
Precision
ISO 3290 Grade 24
Hardness
91.5 Rockwell A
Metallic Balls - 3.969 mm Tungsten Carbide - ISO 3290 Grade 24 Ball
Material: Tungsten Carbide    Properties: Extreme Hardness and wear resistance.    Colour: Dull Grey    Specific Gravity: 14.95   
Category: Balls - Metallic - Tungsten Carbide
Part Number: BL-00397-TC-G24 (Each)
1 Available Now | Further orders can be expected around Mon, Jun 29, 2026
Regular price $11.32 AUD
Regular price $13.58 AUD Sale price $11.32 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

1 Available Now. Backorder if more than 1.
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
Part Number: BL-00397-S4-G100 (PK-500)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $12.23 AUD
Regular price Sale price $12.23 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
Part Number: BL-00397-S4-G100 (PK-500)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $12.23 AUD
Regular price Sale price $12.23 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
Part Number: BL-00397-S6-G100 (PK-50)
61 units (3050 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $6.50 AUD
Regular price Sale price $6.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 61 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
Part Number: BL-00397-S6-G100 (PK-50)
61 units (3050 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $6.50 AUD
Regular price Sale price $6.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

61 units (3050 pcs) Available Now. Backorder if more than 61.
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
Part Number: BL-00397-S440-G28 (PK-200)
45 units (9000 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $7.68 AUD
Regular price Sale price $7.68 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
Part Number: BL-00397-S440-G28 (PK-200)
45 units (9000 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $7.68 AUD
Regular price Sale price $7.68 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 SAE52100 Chrome - ISO 3290 Grade 100 Ball
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 100
Hardness
60-70 Rockwell C
Properties
Commonly used in precision bearings.
Colour
Silver
Metallic Balls - 4 mm SAE52100 Chrome - ISO 3290 Grade 100 Ball
Material: Chrome Steel SAE 52100    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00400-CH-G100 (PK-10000)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $255.14 AUD
Regular price $600.00 AUD Sale price $255.14 AUD
Priced, Stocked and Sold Per 10000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4 mm SAE52100 Chrome - ISO 3290 Grade 100 Ball
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 100
Hardness
60-70 Rockwell C
Metallic Balls - 4 mm SAE52100 Chrome - ISO 3290 Grade 100 Ball
Material: Chrome Steel SAE 52100    Properties: Commonly used in precision bearings.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00400-CH-G100 (PK-10000)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $255.14 AUD
Regular price $600.00 AUD Sale price $255.14 AUD
Priced, Stocked and Sold Per 10000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.