Inch

Metric

1"

1 1/4"

1 1/2"

1 5/8"

1 3/4"

2"

2 1/4"

2 1/2"

2 3/4"

3"

3 1/4"

3 1/2"

3 3/4"

4"

4 1/2"

5"

5 1/2"

6"

8 mm

10 mm

12 mm

15 mm

20 mm

25 mm

50 mm

0.028"

0.035"

0.049"

0.062"

0.065"

0.083"

0.12"

0.18"

0.187"

0.188"

0.26"

0.293"

0.326"

0.33"

0.345"

0.359"

0.365"

0.4"

0.435"

1 mm

2 mm

3 mm

Oversized

Undersized

Standard

Tight

Brushed

Matte

Mirror Like

Plain

1"

1 1/4"

1 1/2"

2"

2.33"

2 1/2"

2.663"

3"

3.004"

3.332"

3 1/2"

4"

4.16"

5"

5.99"

6"

6.2"

7.93"

8"

8.14"

1"

1 1/4"

1 1/2"

1 3/4"

1 7/8"

2"

2 1/2"

3"

3 1/2"

4"

4.06"

5"

5 1/4"

5.99"

6"

6.02"

6.495"

7.995"

ASTM Standard

EN 10088-3

Federal Specification

SAE Standard

Material Certificate with Traceable Lot Number

Material Certificate with Traceable Lot Number and Test Report

Ground

Polished

Precision Ground

Turned

Cold Drawn

Cold Rolled

Cold Worked

Heat Treated

Hot Rolled

Seamless

Welded

Medium

Hard

Not Rated

Compliant

Exempt

Not Compliant

Less than 30,000 psi

30,000 psi to 39,999 psi

40,000 psi to 99,999 psi

100,000 psi to 199,999 psi

Not Rated

Compliant

Compliant with Exemptions

Not Compliant

Compliant

Not Compliant

Rockwell B70

Rockwell B75

Rockwell B77

Rockwell B80

Rockwell B85

Rockwell B88

Rockwell B90

Rockwell B91

Rockwell B95

Rockwell B102

Rockwell B103

Rockwell C18

Rockwell C20

Rockwell C25

Rockwell C28

Rockwell C30

Rockwell C31

Rockwell C35

Not Rated

1C999

2B999

EAR99