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)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 23, 2026
Regular price $5.68 AUD
Regular price $13.05 AUD Sale price $5.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 23, 2026
Regular price $5.68 AUD
Regular price $13.05 AUD Sale price $5.68 AUD
Priced, Stocked and Sold Per 100 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
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 | Orders can be expected around Fri, Feb 20, 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 | Orders can be expected around Fri, Feb 20, 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: Ti-Gr23/Ti-6AL4V-ELI   
Category: Balls - Metallic - Titanium Alloy
Part Number: BL-00400-T23-G100 (PK-10)
48 units (480 pcs) Available Now | Further orders can be expected around Sat, Feb 21, 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 48 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)
48 units (480 pcs) Available Now | Further orders can be expected around Sat, Feb 21, 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

48 units (480 pcs) Available Now. Backorder if more than 48.
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 | Orders can be expected around Sat, Feb 21, 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 | Orders can be expected around Sat, Feb 21, 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 | Orders can be expected around Sat, Feb 21, 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 | Orders can be expected around Sat, Feb 21, 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 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)
279 units (55800 pcs) Available Now | Further orders can be expected around Fri, Jan 23, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 279 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)
279 units (55800 pcs) Available Now | Further orders can be expected around Fri, Jan 23, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

279 units (55800 pcs) Available Now. Backorder if more than 279.
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)
457 units (9140 pcs) Available Now | Further orders can be expected around Fri, Jan 23, 2026
Regular price $1.59 AUD
Regular price Sale price $1.59 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 457 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)
457 units (9140 pcs) Available Now | Further orders can be expected around Fri, Jan 23, 2026
Regular price $1.59 AUD
Regular price Sale price $1.59 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

457 units (9140 pcs) Available Now. Backorder if more than 457.
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)
111 units (11100 pcs) Available Now | Further orders can be expected around Fri, Jan 23, 2026
Regular price $8.77 AUD
Regular price Sale price $8.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 111 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)
111 units (11100 pcs) Available Now | Further orders can be expected around Fri, Jan 23, 2026
Regular price $8.77 AUD
Regular price Sale price $8.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

111 units (11100 pcs) Available Now. Backorder if more than 111.
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)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 23, 2026
Regular price $5.32 AUD
Regular price Sale price $5.32 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
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)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 23, 2026
Regular price $5.32 AUD
Regular price Sale price $5.32 AUD
Priced, Stocked and Sold Per 20 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
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)
7 units (700 pcs) Available Now | Further orders can be expected around Fri, Jan 23, 2026
Regular price $6.32 AUD
Regular price Sale price $6.32 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.
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)
7 units (700 pcs) Available Now | Further orders can be expected around Fri, Jan 23, 2026
Regular price $6.32 AUD
Regular price Sale price $6.32 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 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 | Orders can be expected around Wed, Sep 20, 2028
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 | Orders can be expected around Fri, Jan 23, 2026
Regular price $16.32 AUD
Regular price Sale price $16.32 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 | Orders can be expected around Fri, Jan 23, 2026
Regular price $16.32 AUD
Regular price Sale price $16.32 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 | Orders can be expected around Fri, Jan 23, 2026
Regular price $166.41 AUD
Regular price $391.35 AUD Sale price $166.41 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 | Orders can be expected around Fri, Jan 23, 2026
Regular price $166.41 AUD
Regular price $391.35 AUD Sale price $166.41 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)
14 units (1400 pcs) Available Now | Further orders can be expected around Fri, Jan 23, 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 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
Part Number: BL-00450-S6-G100 (PK-100)
14 units (1400 pcs) Available Now | Further orders can be expected around Fri, Jan 23, 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

14 units (1400 pcs) Available Now. Backorder if more than 14.
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 | Orders can be expected around Wed, Sep 20, 2028
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 Wed, Mar 11, 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 Wed, Mar 11, 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 | Orders can be expected around Tue, Feb 03, 2026
Regular price $4.59 AUD
Regular price $10.45 AUD Sale price $4.59 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 | Orders can be expected around Tue, Feb 03, 2026
Regular price $4.59 AUD
Regular price $10.45 AUD Sale price $4.59 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 - 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)
50 units (5000 pcs) Available Now | Further orders can be expected around Wed, Feb 11, 2026
Regular price $6.86 AUD
Regular price Sale price $6.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 50 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)
50 units (5000 pcs) Available Now | Further orders can be expected around Wed, Feb 11, 2026
Regular price $6.86 AUD
Regular price Sale price $6.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

50 units (5000 pcs) Available Now. Backorder if more than 50.
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 | Orders can be expected around Tue, Feb 03, 2026
Regular price $13.50 AUD
Regular price $16.20 AUD Sale price $13.50 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 | Orders can be expected around Tue, Feb 03, 2026
Regular price $13.50 AUD
Regular price $16.20 AUD Sale price $13.50 AUD
Each
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
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 | Orders can be expected around Fri, Jan 23, 2026
Regular price $22.95 AUD
Regular price Sale price $22.95 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 | Orders can be expected around Fri, Jan 23, 2026
Regular price $22.95 AUD
Regular price Sale price $22.95 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)
246 units (24600 pcs) Available Now | Further orders can be expected around Fri, Jan 23, 2026
Regular price $7.05 AUD
Regular price Sale price $7.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 246 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)
246 units (24600 pcs) Available Now | Further orders can be expected around Fri, Jan 23, 2026
Regular price $7.05 AUD
Regular price Sale price $7.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

246 units (24600 pcs) Available Now. Backorder if more than 246.
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 Fri, Jan 23, 2026
Regular price $8.77 AUD
Regular price $24.79 AUD Sale price $8.77 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 Fri, Jan 23, 2026
Regular price $8.77 AUD
Regular price $24.79 AUD Sale price $8.77 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)
161 units (32200 pcs) Available Now | Further orders can be expected around Fri, Jan 23, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 161 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)
161 units (32200 pcs) Available Now | Further orders can be expected around Fri, Jan 23, 2026
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Priced, Stocked and Sold Per 200 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

161 units (32200 pcs) Available Now. Backorder if more than 161.
Metallic Balls - 5 mm SAE52100 Chrome - ISO 3290 Grade 3 Ball
Diameter (D)
5.000
mm
+/- 0.000762
(Equiv. 0.197 in.)
Material
SAE52100 Chrome

Precision
ISO 3290 Grade 3

Hardness
60-70 Rockwell C
Properties
Commonly used in precision bearings.
Colour
Silver
Metallic Balls - 5 mm SAE52100 Chrome - ISO 3290 Grade 3 Ball
Material: Chrome Steel SAE 52100    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00500-CH-G3 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
Metallic Balls - 5 mm SAE52100 Chrome - ISO 3290 Grade 3 Ball
Diameter (D)
5.000
mm
+/- 0.000762
(Equiv. 0.197 in.)
Material
SAE52100 Chrome

Precision
ISO 3290 Grade 3

Hardness
60-70 Rockwell C
Metallic Balls - 5 mm SAE52100 Chrome - ISO 3290 Grade 3 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-G3 (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Orders can be expected around Wed, Sep 20, 2028