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WA750
Steel ball

  Grade  

DatumRoundness

Surface roughness

Mutual difference of the same batch

G40

JIS B1501 1um

Ra0.08

2um

ISO3290
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WA750 –
   [Choose material] ※Please refer to the specifications for details
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How to order

 

 

 

 

 

SIZE

SUJ2

SUS440

 

SIZE

SUJ2

SUS440

Metric(mm)

Inch

Hardness

 

Metric(mm)

Inch

Hardness

1

-

HV760~880

HV660~780

 

5.556

7/32"

HRC60~55

HRC58~

1.588

1/6"

 

6

-

2

-

 

6.35

1/4"

2.381

3/32"

 

7.144

9/32"

2.5

-

 

7.938

5/16"

3

-

 

9.525

3/8"

3.175

1/8"

HRC60~55

HRC58~

 

11.112

7/16"

3.969

5/32"

 

12.7

1/2"

4

-

 

15.878

5/8"

4.762

3/16"

 

19.05

3/4"

5

-

 

22.225

7/8"