Clamping Force of Standard Clamp Straps (inch)

CLAMPING FORCE OF STANDARD CLAMP STRAPS

Stud size

Recommended torque

Clamping force

Tensile force in stud

#10-32

2 ft-lbs

300 lbs

600 lbs

1/4-20

4 ft-lbs

500 lbs

1000 lbs

5/16-18

9 ft-lbs

900 lbs

1800 lbs

3/8-16

16 ft-lbs

1300 lbs

2600 lbs

1/2-13

38 ft-lbs

2300 lbs

4600 lbs

5/8-11

77 ft-lbs

3700 lbs

7400 lbs

3/4-10

138 ft-lbs

5500 lbs

11,000 lbs

7/8-9

222 ft-lbs

7600 lbs

15,200 lbs

1-8

333 ft-lbs

10,000 lbs

20,000 lbs

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