Balls - Metallic - Stainless Steel

Balls -> Metallic -> Stainless Steel
Diameter (D) Material Precision Hardness Properties Colour Indicative
Image
Diameter (D)
2.778
mm
+/- 0.000762
(Equiv. 0.109 in.)
Material
440C Stainless

Precision
ISO 3290 Grade 3

Hardness
55-60 Rockwell C
Properties
Commonly used in precision bearings. Corrosion resistant.
Colour
Silver
Metallic Balls - 2.778 mm 440C Stainless - Grade 3
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00278-S440-G3 (100 Pcs)
Metallic Balls - 2.778 mm 440C Stainless - ISO 3290 Grade 3 Ball
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
$32.59 AUD
$76.33 AUD $32.59 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Diameter (D) Material Precision Hardness Indicative
Image
Diameter (D)
2.778
mm
+/- 0.000762
(Equiv. 0.109 in.)
Material
440C Stainless

Precision
ISO 3290 Grade 3

Hardness
55-60 Rockwell C
Metallic Balls - 2.778 mm 440C Stainless - Grade 3
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00278-S440-G3 (100 Pcs)
Metallic Balls - 2.778 mm 440C Stainless - ISO 3290 Grade 3 Ball
Out of Stock | Backorder Now | Orders can be expected around Thu, Oct 02, 2025
$32.59 AUD
$76.33 AUD $32.59 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Diameter (D)
2.778
mm
+/- 0.005080
(Equiv. 0.109 in.)
Material
440C Stainless

Precision
ISO 3290 Grade 40

Hardness
55-60 Rockwell C
Properties
Commonly used in precision bearings. Corrosion resistant.
Colour
Silver
Metallic Balls - 2.778 mm 440C Stainless - Grade 40
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00278-S440-G40 (100 Pcs)
Metallic Balls - 2.778 mm 440C Stainless - ISO 3290 Grade 40 Ball
158 units (15800 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$7.23 AUD
$7.23 AUD
Per 100
Quantity Required

158 units (15800 pcs) Available Now. Backorder if more than 158.
Diameter (D)
2.778
mm
+/- 0.005080
(Equiv. 0.109 in.)
Material
440C Stainless

Precision
ISO 3290 Grade 40

Hardness
55-60 Rockwell C
Metallic Balls - 2.778 mm 440C Stainless - Grade 40
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00278-S440-G40 (100 Pcs)
Metallic Balls - 2.778 mm 440C Stainless - ISO 3290 Grade 40 Ball
158 units (15800 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$7.23 AUD
$7.23 AUD
Per 100
Quantity Required

158 units (15800 pcs) Available Now. Backorder if more than 158.
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 - Grade 200
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00300-S4-G200 (200 Pcs)
Metallic Balls - 3 mm 304 Stainless - ISO 3290 Grade 200 Ball
64 units (12800 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$5.77 AUD
$5.77 AUD
Per 200
Quantity Required

64 units (12800 pcs) Available Now. Backorder if more than 64.
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 - Grade 200
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Properties: Low magnetic permeability. Good corrosion resistance    Colour: Silver    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00300-S4-G200 (200 Pcs)
Metallic Balls - 3 mm 304 Stainless - ISO 3290 Grade 200 Ball
64 units (12800 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$5.77 AUD
$5.77 AUD
Per 200
Quantity Required

64 units (12800 pcs) Available Now. Backorder if more than 64.
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 - Grade 200
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00300-S6-G200 (500 Pcs)
Metallic Balls - 3 mm 316 Stainless - ISO 3290 Grade 200 Ball
13 units (6500 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$7.23 AUD
$7.23 AUD
Per 500
Quantity Required

13 units (6500 pcs) Available Now. Backorder if more than 13.
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 - Grade 200
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00300-S6-G200 (500 Pcs)
Metallic Balls - 3 mm 316 Stainless - ISO 3290 Grade 200 Ball
13 units (6500 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$7.23 AUD
$7.23 AUD
Per 500
Quantity Required

13 units (6500 pcs) Available Now. Backorder if more than 13.
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 - Grade 16
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00300-S440-G16 (100 Pcs)
Metallic Balls - 3 mm 440C Stainless - ISO 3290 Grade 16 Ball
546 units (54600 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$4.41 AUD
$4.41 AUD
Per 100
Quantity Required

546 units (54600 pcs) Available Now. Backorder if more than 546.
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 - Grade 16
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00300-S440-G16 (100 Pcs)
Metallic Balls - 3 mm 440C Stainless - ISO 3290 Grade 16 Ball
546 units (54600 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$4.41 AUD
$4.41 AUD
Per 100
Quantity Required

546 units (54600 pcs) Available Now. Backorder if more than 546.
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 - Grade 100
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00318-S4-G100 (100 Pcs)
Metallic Balls - 3.175 mm 304 Stainless - ISO 3290 Grade 100 Ball
448 units (44800 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$4.41 AUD
$4.41 AUD
Per 100
Quantity Required

448 units (44800 pcs) Available Now. Backorder if more than 448.
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 - Grade 100
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Properties: Low magnetic permeability. Good corrosion resistance    Colour: Silver    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00318-S4-G100 (100 Pcs)
Metallic Balls - 3.175 mm 304 Stainless - ISO 3290 Grade 100 Ball
448 units (44800 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$4.41 AUD
$4.41 AUD
Per 100
Quantity Required

448 units (44800 pcs) Available Now. Backorder if more than 448.
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 - Grade 100
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00318-S6-G100 (100 Pcs)
Metallic Balls - 3.175 mm 316 Stainless - ISO 3290 Grade 100 Ball
254 units (25400 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$7.23 AUD
$7.23 AUD
Per 100
Quantity Required

254 units (25400 pcs) Available Now. Backorder if more than 254.
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 - Grade 100
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00318-S6-G100 (100 Pcs)
Metallic Balls - 3.175 mm 316 Stainless - ISO 3290 Grade 100 Ball
254 units (25400 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$7.23 AUD
$7.23 AUD
Per 100
Quantity Required

254 units (25400 pcs) Available Now. Backorder if more than 254.
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 - Grade 20
Material: Stainless Steel AISI 420C Rc 46-52    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00318-S420-G28 (100 Pcs)
Metallic Balls - 3.175 mm 420 Stainless - ISO 3290 Grade 20 Ball
205 units (20500 pcs) Available Now | Further orders can be expected around Wed, Oct 08, 2025
$12.95 AUD
$12.95 AUD
Per 100
Quantity Required

205 units (20500 pcs) Available Now. Backorder if more than 205.
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 - Grade 20
Material: Stainless Steel AISI 420C Rc 46-52    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00318-S420-G28 (100 Pcs)
Metallic Balls - 3.175 mm 420 Stainless - ISO 3290 Grade 20 Ball
205 units (20500 pcs) Available Now | Further orders can be expected around Wed, Oct 08, 2025
$12.95 AUD
$12.95 AUD
Per 100
Quantity Required

205 units (20500 pcs) Available Now. Backorder if more than 205.
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 - Grade 20
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00318-S440-G20 (200 Pcs)
Metallic Balls - 3.175 mm 440C Stainless - ISO 3290 Grade 20 Ball
5 units (1000 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$5.05 AUD
$5.05 AUD
Per 200
Quantity Required

5 units (1000 pcs) Available Now. Backorder if more than 5.
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 - Grade 20
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00318-S440-G20 (200 Pcs)
Metallic Balls - 3.175 mm 440C Stainless - ISO 3290 Grade 20 Ball
5 units (1000 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$5.05 AUD
$5.05 AUD
Per 200
Quantity Required

5 units (1000 pcs) Available Now. Backorder if more than 5.
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 - Grade 28
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00350-S440-G28 (100 Pcs)
Metallic Balls - 3.5 mm 440C Stainless - ISO 3290 Grade 28 Ball
95 units (9500 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$6.50 AUD
$6.50 AUD
Per 100
Quantity Required

95 units (9500 pcs) Available Now. Backorder if more than 95.
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 - Grade 28
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00350-S440-G28 (100 Pcs)
Metallic Balls - 3.5 mm 440C Stainless - ISO 3290 Grade 28 Ball
95 units (9500 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$6.50 AUD
$6.50 AUD
Per 100
Quantity Required

95 units (9500 pcs) Available Now. Backorder if more than 95.
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 - Grade 100
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00397-S4-G100 (500 Pcs)
Metallic Balls - 3.969 mm 304 Stainless - ISO 3290 Grade 100 Ball
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 21, 2025
$14.50 AUD
$14.50 AUD
Per 500
Quantity Required

Backorder: Out of Stock.
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 - Grade 100
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Properties: Low magnetic permeability. Good corrosion resistance    Colour: Silver    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00397-S4-G100 (500 Pcs)
Metallic Balls - 3.969 mm 304 Stainless - ISO 3290 Grade 100 Ball
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 21, 2025
$14.50 AUD
$14.50 AUD
Per 500
Quantity Required

Backorder: Out of Stock.
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 - Grade 100
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00397-S6-G100 (50 Pcs)
Metallic Balls - 3.969 mm 316 Stainless - ISO 3290 Grade 100 Ball
61 units (3050 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$7.77 AUD
$7.77 AUD
Per 50
Quantity Required

61 units (3050 pcs) Available Now. Backorder if more than 61.
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 - Grade 100
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00397-S6-G100 (50 Pcs)
Metallic Balls - 3.969 mm 316 Stainless - ISO 3290 Grade 100 Ball
61 units (3050 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$7.77 AUD
$7.77 AUD
Per 50
Quantity Required

61 units (3050 pcs) Available Now. Backorder if more than 61.
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 - Grade 28
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00397-S440-G28 (200 Pcs)
Metallic Balls - 3.969 mm 440C Stainless - ISO 3290 Grade 28 Ball
47 units (9400 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$9.14 AUD
$9.14 AUD
Per 200
Quantity Required

47 units (9400 pcs) Available Now. Backorder if more than 47.
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 - Grade 28
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00397-S440-G28 (200 Pcs)
Metallic Balls - 3.969 mm 440C Stainless - ISO 3290 Grade 28 Ball
47 units (9400 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$9.14 AUD
$9.14 AUD
Per 200
Quantity Required

47 units (9400 pcs) Available Now. Backorder if more than 47.
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 - Grade 100
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00400-S4-G100 (200 Pcs)
Metallic Balls - 4 mm 304 Stainless - ISO 3290 Grade 100 Ball
279 units (55800 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$4.41 AUD
$4.41 AUD
Per 200
Quantity Required

279 units (55800 pcs) Available Now. Backorder if more than 279.
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 - Grade 100
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Properties: Low magnetic permeability. Good corrosion resistance    Colour: Silver    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00400-S4-G100 (200 Pcs)
Metallic Balls - 4 mm 304 Stainless - ISO 3290 Grade 100 Ball
279 units (55800 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$4.41 AUD
$4.41 AUD
Per 200
Quantity Required

279 units (55800 pcs) Available Now. Backorder if more than 279.
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 - Grade 100
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00400-S6-G100 (20 Pcs)
Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 100 Ball
458 units (9160 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$1.68 AUD
$1.68 AUD
Per 20
Quantity Required

458 units (9160 pcs) Available Now. Backorder if more than 458.
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 - Grade 100
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00400-S6-G100 (20 Pcs)
Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 100 Ball
458 units (9160 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$1.68 AUD
$1.68 AUD
Per 20
Quantity Required

458 units (9160 pcs) Available Now. Backorder if more than 458.
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 - Grade 200
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00400-S6-G200 (1000 Pcs)
Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 200 Ball
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 21, 2025
$95.95 AUD
$95.95 AUD
Per 1000
Quantity Required

Backorder: Out of Stock.
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 - Grade 200
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00400-S6-G200 (1000 Pcs)
Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 200 Ball
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 21, 2025
$95.95 AUD
$95.95 AUD
Per 1000
Quantity Required

Backorder: Out of Stock.
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 - Grade 100
Material: Stainless Steel 316L    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316L Grade
Part Number: BL-00400-S6L-G100 (20 Pcs)
Metallic Balls - 4 mm 316L Stainless - ISO 3290 Grade 100 Ball
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 21, 2025
$5.86 AUD
$5.86 AUD
Per 20
Quantity Required

Backorder: Out of Stock.
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 - Grade 100
Material: Stainless Steel 316L    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316L Grade
Part Number: BL-00400-S6L-G100 (20 Pcs)
Metallic Balls - 4 mm 316L Stainless - ISO 3290 Grade 100 Ball
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 21, 2025
$5.86 AUD
$5.86 AUD
Per 20
Quantity Required

Backorder: Out of Stock.
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 - Grade 16
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00400-S440-G16 (100 Pcs)
Metallic Balls - 4 mm 440C Stainless - ISO 3290 Grade 16 Ball
7 units (700 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$6.95 AUD
$6.95 AUD
Per 100
Quantity Required

7 units (700 pcs) Available Now. Backorder if more than 7.
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 - Grade 16
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00400-S440-G16 (100 Pcs)
Metallic Balls - 4 mm 440C Stainless - ISO 3290 Grade 16 Ball
7 units (700 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$6.95 AUD
$6.95 AUD
Per 100
Quantity Required

7 units (700 pcs) Available Now. Backorder if more than 7.
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 - Grade 100
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00450-S6-G100 (100 Pcs)
Metallic Balls - 4.5 mm 316 Stainless - ISO 3290 Grade 100 Ball
14 units (1400 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$6.77 AUD
$6.77 AUD
Per 100
Quantity Required

14 units (1400 pcs) Available Now. Backorder if more than 14.
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 - Grade 100
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00450-S6-G100 (100 Pcs)
Metallic Balls - 4.5 mm 316 Stainless - ISO 3290 Grade 100 Ball
14 units (1400 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$6.77 AUD
$6.77 AUD
Per 100
Quantity Required

14 units (1400 pcs) Available Now. Backorder if more than 14.
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 - Grade 100
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00476-S4-G100 (100 Pcs)
Metallic Balls - 4.763 mm 304 Stainless - ISO 3290 Grade 100 Ball
1 pack (100 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$1.86 AUD
$5.03 AUD $1.86 AUD
Per 100
Quantity Required

1 pack (100 pcs) Available Now. Backorder if more than 1.
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 - Grade 100
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Properties: Low magnetic permeability. Good corrosion resistance    Colour: Silver    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00476-S4-G100 (100 Pcs)
Metallic Balls - 4.763 mm 304 Stainless - ISO 3290 Grade 100 Ball
1 pack (100 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$1.86 AUD
$5.03 AUD $1.86 AUD
Per 100
Quantity Required

1 pack (100 pcs) Available Now. Backorder if more than 1.
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 - Grade 200
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00476-S6-G200 (100 Pcs)
Metallic Balls - 4.763 mm 316 Stainless - ISO 3290 Grade 200 Ball
256 units (25600 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$7.77 AUD
$7.77 AUD
Per 100
Quantity Required

256 units (25600 pcs) Available Now. Backorder if more than 256.
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 - Grade 200
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00476-S6-G200 (100 Pcs)
Metallic Balls - 4.763 mm 316 Stainless - ISO 3290 Grade 200 Ball
256 units (25600 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$7.77 AUD
$7.77 AUD
Per 100
Quantity Required

256 units (25600 pcs) Available Now. Backorder if more than 256.
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 - Grade 28
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00476-S440-G28 (100 Pcs)
Metallic Balls - 4.763 mm 440C Stainless - ISO 3290 Grade 28 Ball
46 units (4600 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$9.59 AUD
$27.29 AUD $9.59 AUD
Per 100
Quantity Required

46 units (4600 pcs) Available Now. Backorder if more than 46.
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 - Grade 28
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel - 400 Grade
Part Number: BL-00476-S440-G28 (100 Pcs)
Metallic Balls - 4.763 mm 440C Stainless - ISO 3290 Grade 28 Ball
46 units (4600 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$9.59 AUD
$27.29 AUD $9.59 AUD
Per 100
Quantity Required

46 units (4600 pcs) Available Now. Backorder if more than 46.
Diameter (D)
5.000
mm
+/- 0.01270
(Equiv. 0.197 in.)
Material
304 Stainless

Precision
ISO 3290 Grade 100

Hardness
25-39 Rockwell C
Properties
Low magnetic permeability. Good corrosion resistance
Colour
Silver
Metallic Balls - 5 mm 304 Stainless - Grade 100
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00500-S4-G100 (100 Pcs)
Metallic Balls - 5 mm 304 Stainless - ISO 3290 Grade 100 Ball
186 units (18600 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$5.59 AUD
$5.59 AUD
Per 100
Quantity Required

186 units (18600 pcs) Available Now. Backorder if more than 186.
Diameter (D)
5.000
mm
+/- 0.01270
(Equiv. 0.197 in.)
Material
304 Stainless

Precision
ISO 3290 Grade 100

Hardness
25-39 Rockwell C
Metallic Balls - 5 mm 304 Stainless - Grade 100
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Properties: Low magnetic permeability. Good corrosion resistance    Colour: Silver    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel - 304 Grade
Part Number: BL-00500-S4-G100 (100 Pcs)
Metallic Balls - 5 mm 304 Stainless - ISO 3290 Grade 100 Ball
186 units (18600 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$5.59 AUD
$5.59 AUD
Per 100
Quantity Required

186 units (18600 pcs) Available Now. Backorder if more than 186.
Diameter (D)
5.000
mm
+/- 0.01270
(Equiv. 0.197 in.)
Material
316 Stainless

Precision
ISO 3290 Grade 200

Hardness
25-39 Rockwell C
Properties
Resistant to severe corrosive conditions
Colour
Silver
Metallic Balls - 5 mm 316 Stainless - Grade 200
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00500-S6-G200 (50 Pcs)
Metallic Balls - 5 mm 316 Stainless - ISO 3290 Grade 200 Ball
318 units (15900 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$3.68 AUD
$3.68 AUD
Per 50
Quantity Required

318 units (15900 pcs) Available Now. Backorder if more than 318.
Diameter (D)
5.000
mm
+/- 0.01270
(Equiv. 0.197 in.)
Material
316 Stainless

Precision
ISO 3290 Grade 200

Hardness
25-39 Rockwell C
Metallic Balls - 5 mm 316 Stainless - Grade 200
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel - 316 Grade
Part Number: BL-00500-S6-G200 (50 Pcs)
Metallic Balls - 5 mm 316 Stainless - ISO 3290 Grade 200 Ball
318 units (15900 pcs) Available Now | Further orders can be expected around Sun, Sep 21, 2025
$3.68 AUD
$3.68 AUD
Per 50
Quantity Required

318 units (15900 pcs) Available Now. Backorder if more than 318.