Collection: Balls - Metallic

Balls -> Metallic
Diameter (D) Material Precision Hardness Properties Colour Indicative
Image
Metallic Balls - 4 mm SAE52100 Chrome - ISO 3290 Grade 28 Ball
Diameter (D)
4.000
mm
+/- 0.00254
(Equiv. 0.157 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 28
Hardness
60-70 Rockwell C
Properties
Commonly used in precision bearings.
Colour
Silver
Metallic Balls - 4 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-00400-CH-G28 (PK-100)
7 units (700 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $5.23 AUD
Regular price $12.07 AUD Sale price $5.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 7 available can be backordered.
Diameter (D) Material Precision Hardness Indicative
Image
Metallic Balls - 4 mm SAE52100 Chrome - ISO 3290 Grade 28 Ball
Diameter (D)
4.000
mm
+/- 0.00254
(Equiv. 0.157 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 28
Hardness
60-70 Rockwell C
Metallic Balls - 4 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-00400-CH-G28 (PK-100)
7 units (700 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $5.23 AUD
Regular price $12.07 AUD Sale price $5.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

7 units (700 pcs) Available Now. Backorder if more than 7.
Metallic Balls - 4 mm Tungsten Carbide - AFBMA Grade 25 Ball
Diameter (D)
4.000
mm
+/- 0.00254
(Equiv. 0.157 in.)
Material
Tungsten Carbide
Precision
AFBMA Grade 25
Hardness
91.5 Rockwell A
Properties
Extreme hardness and wear resistance.
Colour
Dull Grey
Metallic Balls - 4 mm Tungsten Carbide - AFBMA Grade 25 Ball
Material: Tungsten Carbide    Specific Gravity: 14.95   
Category: Balls - Metallic - Tungsten Carbide
Part Number: BL-00400-TC-G25 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $67.77 AUD
Regular price $81.33 AUD Sale price $67.77 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4 mm Tungsten Carbide - AFBMA Grade 25 Ball
Diameter (D)
4.000
mm
+/- 0.00254
(Equiv. 0.157 in.)
Material
Tungsten Carbide
Precision
AFBMA Grade 25
Hardness
91.5 Rockwell A
Metallic Balls - 4 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
Part Number: BL-00400-TC-G25 (PK-5)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Aug 01, 2026
Regular price $67.77 AUD
Regular price $81.33 AUD Sale price $67.77 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Properties
Implant Grade Titanium
Colour
Silver
Metallic Balls - 4 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-00400-T23-12 (PK-500)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $221.14 AUD
Regular price $265.36 AUD Sale price $221.14 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Metallic Balls - 4 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-00400-T23-12 (PK-500)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $221.14 AUD
Regular price $265.36 AUD Sale price $221.14 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Properties
Implant Grade Titanium
Colour
Silver
Metallic Balls - 4 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-00400-T23-16 (PK-500)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $221.14 AUD
Regular price $265.36 AUD Sale price $221.14 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Metallic Balls - 4 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-00400-T23-16 (PK-500)
Out of Stock | Backorder Now | Backorder now for delivery around Sun, Aug 02, 2026
Regular price $221.14 AUD
Regular price $265.36 AUD Sale price $221.14 AUD
Priced, Stocked and Sold Per 500 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Properties
Implant Grade Titanium
Colour
Silver
Metallic Balls - 4 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-00400-T23-G100 (PK-10)
31 units (310 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 31 available can be backordered.
Metallic Balls - 4 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Metallic Balls - 4 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-00400-T23-G100 (PK-10)
31 units (310 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

31 units (310 pcs) Available Now. Backorder if more than 31.
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
Part Number: BL-00400-S4-G100 (PK-200)
274 units (54800 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 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 274 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
Part Number: BL-00400-S4-G100 (PK-200)
274 units (54800 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 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

274 units (54800 pcs) Available Now. Backorder if more than 274.
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
Part Number: BL-00400-S6-G100 (PK-20)
452 units (9040 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $1.41 AUD
Regular price Sale price $1.41 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
Part Number: BL-00400-S6-G100 (PK-20)
452 units (9040 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $1.41 AUD
Regular price Sale price $1.41 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
Part Number: BL-00400-S6-G200 (PK-100)
101 units (10100 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $8.14 AUD
Regular price Sale price $8.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 101 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
Part Number: BL-00400-S6-G200 (PK-100)
101 units (10100 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $8.14 AUD
Regular price Sale price $8.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

101 units (10100 pcs) Available Now. Backorder if more than 101.
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
Part Number: BL-00400-S6L-G100 (PK-20)
95 units (1900 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 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
Part Number: BL-00400-S6L-G100 (PK-20)
95 units (1900 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 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
Part Number: BL-00400-S440-G16 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $5.86 AUD
Regular price Sale price $5.86 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
Part Number: BL-00400-S440-G16 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $5.86 AUD
Regular price Sale price $5.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4 mm Neodymium N-40 - - Magnetic Ball
Diameter (D)
4.000
mm
+ 0.10 / - 0.00
(Equiv. 0.157 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 - 4 mm Neodymium N-40 - - Magnetic Ball
Material: Neodymium N-40   
Category: Balls - Metallic - Magnetic
Part Number: BL-00400-MAGN40 (PK-10)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Metallic Balls - 4 mm Neodymium N-40 - - Magnetic Ball
Diameter (D)
4.000
mm
+ 0.10 / - 0.00
(Equiv. 0.157 in.)
Material
Neodymium N-40

+ 0.00 / - 0.10
Metallic Balls - 4 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-00400-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 - 4.5 mm SAE52100 Chrome - ISO 3290 Grade 100 Ball
Diameter (D)
4.500
mm
+/- 0.01270
(Equiv. 0.177 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 100
Hardness
60-70 Rockwell C
Properties
1 KG = Approx 2,300 Balls
Colour
Silver
Metallic Balls - 4.5 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-00450-CH-G100-1KG (KG)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $15.14 AUD
Regular price Sale price $15.14 AUD
Per KG
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4.5 mm SAE52100 Chrome - ISO 3290 Grade 100 Ball
Diameter (D)
4.500
mm
+/- 0.01270
(Equiv. 0.177 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 100
Hardness
60-70 Rockwell C
Metallic Balls - 4.5 mm SAE52100 Chrome - ISO 3290 Grade 100 Ball
Material: Chrome Steel SAE 52100    Properties: 1 KG = Approx 2,300 Balls    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00450-CH-G100-1KG (KG)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $15.14 AUD
Regular price Sale price $15.14 AUD
Per KG
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4.5 mm SAE52100 Chrome - ISO 3290 Grade 28 Ball
Diameter (D)
4.500
mm
+/- 0.00254
(Equiv. 0.177 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 28
Hardness
60-70 Rockwell C
Properties
Commonly used in precision bearings.
Colour
Silver
Metallic Balls - 4.5 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-00450-CH-G28 (PK-10000)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $154.05 AUD
Regular price $362.11 AUD Sale price $154.05 AUD
Priced, Stocked and Sold Per 10000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4.5 mm SAE52100 Chrome - ISO 3290 Grade 28 Ball
Diameter (D)
4.500
mm
+/- 0.00254
(Equiv. 0.177 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 28
Hardness
60-70 Rockwell C
Metallic Balls - 4.5 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-00450-CH-G28 (PK-10000)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $154.05 AUD
Regular price $362.11 AUD Sale price $154.05 AUD
Priced, Stocked and Sold Per 10000 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
Part Number: BL-00450-S6-G100 (PK-100)
4 units (400 pcs) Available Now | More stock due: 10 (1000 pcs) around Wed, Jun 24, 2026 | Further orders can be expected around Sat, Jul 04, 2026
Regular price $5.68 AUD
Regular price Sale price $5.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 4 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
Part Number: BL-00450-S6-G100 (PK-100)
4 units (400 pcs) Available Now | More stock due: 10 (1000 pcs) around Wed, Jun 24, 2026 | Further orders can be expected around Sat, Jul 04, 2026
Regular price $5.68 AUD
Regular price Sale price $5.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (400 pcs) Available Now. Backorder if more than 4.
Metallic Balls - 4.5 mm Neodymium N-40 - - Magnetic Ball
Diameter (D)
4.500
mm
+ 0.10 / - 0.00
(Equiv. 0.177 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 - 4.5 mm Neodymium N-40 - - Magnetic Ball
Material: Neodymium N-40   
Category: Balls - Metallic - Magnetic
Part Number: BL-00450-MAGN40 (PK-10)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Metallic Balls - 4.5 mm Neodymium N-40 - - Magnetic Ball
Diameter (D)
4.500
mm
+ 0.10 / - 0.00
(Equiv. 0.177 in.)
Material
Neodymium N-40

+ 0.00 / - 0.10
Metallic Balls - 4.5 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-00450-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 - 4.762 mm Phosphor Bronze - AFBMA Grade 1000 Ball
Diameter (D)
4.762
mm
+/- 0.1270
(Equiv. 0.187 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 - 4.762 mm Phosphor Bronze - AFBMA Grade 1000 Ball
Material: Phosphor Bronze    Specific Gravity: 8.4   
Category: Balls - Metallic - Phosphor Bronze
Part Number: BL-00476-PB-G1000 (PK-20)
143 units (2860 pcs) Available Now | Further orders can be expected around Thu, Aug 20, 2026
Regular price $3.32 AUD
Regular price $16.56 AUD Sale price $3.32 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 143 available can be backordered.
Metallic Balls - 4.762 mm Phosphor Bronze - AFBMA Grade 1000 Ball
Diameter (D)
4.762
mm
+/- 0.1270
(Equiv. 0.187 in.)
Material
Phosphor Bronze
Precision
AFBMA Grade 1000
Hardness
75-98 Rockwell B
Metallic Balls - 4.762 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-00476-PB-G1000 (PK-20)
143 units (2860 pcs) Available Now | Further orders can be expected around Thu, Aug 20, 2026
Regular price $3.32 AUD
Regular price $16.56 AUD Sale price $3.32 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

143 units (2860 pcs) Available Now. Backorder if more than 143.
Metallic Balls - 4.763 mm SAE52100 Chrome - AFBMA Grade 25 Ball
Diameter (D)
4.763
mm
+/- 0.00254
(Equiv. 0.188 in.)
Material
SAE52100 Chrome
Precision
AFBMA Grade 25
Hardness
60-70 Rockwell C
Properties
Commonly used in precision bearings.
Colour
Silver
Metallic Balls - 4.763 mm SAE52100 Chrome - AFBMA Grade 25 Ball
Material: Chrome Steel SAE 52100    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00476-CH-G25 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 15, 2026
Regular price $4.23 AUD
Regular price $9.67 AUD Sale price $4.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4.763 mm SAE52100 Chrome - AFBMA Grade 25 Ball
Diameter (D)
4.763
mm
+/- 0.00254
(Equiv. 0.188 in.)
Material
SAE52100 Chrome
Precision
AFBMA Grade 25
Hardness
60-70 Rockwell C
Metallic Balls - 4.763 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-00476-CH-G25 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 15, 2026
Regular price $4.23 AUD
Regular price $9.67 AUD Sale price $4.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4.763 mm Tungsten Carbide - AFBMA Grade 25 Ball
Diameter (D)
4.763
mm
+/- 0.00254
(Equiv. 0.188 in.)
Material
Tungsten Carbide
Precision
AFBMA Grade 25
Hardness
91.5 Rockwell A
Properties
Extreme hardness and wear resistance.
Colour
Dull Grey
Metallic Balls - 4.763 mm Tungsten Carbide - AFBMA Grade 25 Ball
Material: Tungsten Carbide    Specific Gravity: 14.95   
Category: Balls - Metallic - Tungsten Carbide
Part Number: BL-00476-TC-G25 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 15, 2026
Regular price $12.50 AUD
Regular price $15.00 AUD Sale price $12.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4.763 mm Tungsten Carbide - AFBMA Grade 25 Ball
Diameter (D)
4.763
mm
+/- 0.00254
(Equiv. 0.188 in.)
Material
Tungsten Carbide
Precision
AFBMA Grade 25
Hardness
91.5 Rockwell A
Metallic Balls - 4.763 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
Part Number: BL-00476-TC-G25 (Each)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Jul 15, 2026
Regular price $12.50 AUD
Regular price $15.00 AUD Sale price $12.50 AUD
Each
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 4.763 mm SAE52100 Chrome - ISO 3290 Grade 20 Ball
Diameter (D)
4.763
mm
+/- 0.00254
(Equiv. 0.188 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 20
Hardness
60-70 Rockwell C
Properties
Commonly used in precision bearings.
Colour
Silver
Metallic Balls - 4.763 mm SAE52100 Chrome - ISO 3290 Grade 20 Ball
Material: Chrome Steel SAE 52100    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00476-CH-G20 (PK-100)
46 units (4600 pcs) Available Now | Further orders can be expected around Fri, Jul 10, 2026
Regular price $6.50 AUD
Regular price Sale price $6.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 46 available can be backordered.
Metallic Balls - 4.763 mm SAE52100 Chrome - ISO 3290 Grade 20 Ball
Diameter (D)
4.763
mm
+/- 0.00254
(Equiv. 0.188 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 20
Hardness
60-70 Rockwell C
Metallic Balls - 4.763 mm SAE52100 Chrome - ISO 3290 Grade 20 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-00476-CH-G20 (PK-100)
46 units (4600 pcs) Available Now | Further orders can be expected around Fri, Jul 10, 2026
Regular price $6.50 AUD
Regular price Sale price $6.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

46 units (4600 pcs) Available Now. Backorder if more than 46.
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
Part Number: BL-00476-S4-G100 (PK-500)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $21.23 AUD
Regular price Sale price $21.23 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
Part Number: BL-00476-S4-G100 (PK-500)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $21.23 AUD
Regular price Sale price $21.23 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
Part Number: BL-00476-S6-G200 (PK-100)
191 units (19100 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 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
Part Number: BL-00476-S6-G200 (PK-100)
191 units (19100 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 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
Part Number: BL-00476-S440-G28 (PK-100)
45 units (4500 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $8.14 AUD
Regular price $22.93 AUD Sale price $8.14 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
Part Number: BL-00476-S440-G28 (PK-100)
45 units (4500 pcs) Available Now | Further orders can be expected around Sat, Jul 04, 2026
Regular price $8.14 AUD
Regular price $22.93 AUD Sale price $8.14 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 SAE52100 Chrome - ISO 3290 Grade 28 Ball
Diameter (D)
5.000
mm
+/- 0.00254
(Equiv. 0.197 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 28
Hardness
60-70 Rockwell C
Properties
Commonly used in precision bearings.
Colour
Silver
Metallic Balls - 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-00500-CH-G28 (PK-200)
300 units (60000 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 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 300 available can be backordered.
Metallic Balls - 5 mm SAE52100 Chrome - ISO 3290 Grade 28 Ball
Diameter (D)
5.000
mm
+/- 0.00254
(Equiv. 0.197 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 28
Hardness
60-70 Rockwell C
Metallic Balls - 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-00500-CH-G28 (PK-200)
300 units (60000 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 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

300 units (60000 pcs) Available Now. Backorder if more than 300.
Metallic Balls - 5 mm Tungsten Carbide - AFBMA Grade 25 Ball
Diameter (D)
5.000
mm
+/- 0.00254
(Equiv. 0.197 in.)
Material
Tungsten Carbide
Precision
AFBMA Grade 25
Hardness
91.5 Rockwell A
Properties
Extreme hardness and wear resistance.
Colour
Dull Grey
Metallic Balls - 5 mm Tungsten Carbide - AFBMA Grade 25 Ball
Material: Tungsten Carbide    Specific Gravity: 14.95   
Category: Balls - Metallic - Tungsten Carbide
Part Number: BL-00500-TC-G25 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $191.68 AUD
Regular price $230.02 AUD Sale price $191.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Metallic Balls - 5 mm Tungsten Carbide - AFBMA Grade 25 Ball
Diameter (D)
5.000
mm
+/- 0.00254
(Equiv. 0.197 in.)
Material
Tungsten Carbide
Precision
AFBMA Grade 25
Hardness
91.5 Rockwell A
Metallic Balls - 5 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
Part Number: BL-00500-TC-G25 (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jul 04, 2026
Regular price $191.68 AUD
Regular price $230.02 AUD Sale price $191.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.