Stainless Steel

Steel

Steel

Inch

Metric

Standard

Tight

Hard

Extra Hard

Rockwell C25

Rockwell C52

Rockwell C55

Rockwell C60

Bolt On

Flange

Magnet

Press Fit

Slip Fit

Threaded Hole

Threaded Stud

Through Hole

Weld On

Mirror Like

44,000 psi

290,000 psi

295,000 psi

Not Rated

Case Hardened

Hardened

1"

1 1/8"

1 3/16"

1 1/4"

1 1/2"

1 9/16"

1 3/4"

2 1/4"

12 mm

3/8" to 12"

1/2" to 36"

Ground

Polished

Tumbled

0.33"

0.49"

0.56"

0.65"

0.76"

0.88"

1.2"

1.25"

1.5"

2 1/2"

4"

5"

6"

7"

8"

12"

18"

24"

36"

48"

18 mm

1C999

EAR99

Less than 250° F

250° F to 499° F

500° F to 999° F

1,000° F to 1,999° F

Not Rated

Exempt

Compliant

Compliant with Exemptions

Not Compliant

Compliant

Not Compliant

8-32

10-24

10-32

1/4"-20

1/4"-28

5/16"-18

5/16"-24

3/8"-16

3/8"-24

7/16"-20

1/2"-13

1/2"-20

5/8"-11

5/8"-18

3/4"-16

1 1/2"-6

M6

M8

M10

M12

2"

Material Certificate with Traceable Lot Number

7%

9.5%

11%

12%

23%

39%

50%

Not Rated

-49° F to 0° F

Greater than 0° F

Not Rated