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Technical Information Shaft Collar in Shell
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Metal Torque Charts

 
 

Inch Forged Socket Cap Screws

Inch
Clamp Screw
Seating Torque
(lb-in) Alloy
Seating Torque
(lb-in) Stainless
#0-80 2 1.3
#1-72 4 2.3
#2-56 6 3.8
#4-40 15 8
#6-32 28 15
#8-32 49 28
#10-32 76 45
1/4-28 170 110
5/16-24 325 190
3/8-24 570 345

Inch Forged Socket Set Screws

Inch
Set Screw
Seating Torque
(lb-in) Alloy
Seating Torque
(lb-in) Stainless
#1-72 .8 .48
#2-56 1.8 1.08
#4-40 5 3
#6-32 10 6
#8-32 15 12
#10-32 25 18
1/4-20 87 70
5/16-18 165 130
3/8-16 290 230
1/2-13 620 500

Metric Forged Socket Cap Screws

Metric
Clamp Screw
Seating Torque
(Nm) Alloy
Seating Torque
(Nm) Stainless
M1.6 0.29 -
M2 0.6 .36
M2.5 1.21 .73
M3 2.1 1.1
M4 4.6 2.5
M5 9.5 5.4
M6 16 9.6
M8 39 23
M10 77 46
M12 135 -

Metric Forged Socket Set Screws

Metric
Set Screw
Seating Torque
(Nm) Alloy
Seating Torque
(Nm) Stainless
M2 0.21 0.13
M2.5 0.57 0.44
M3 0.92 0.73
M4 2.2 1.76
M5 4 3.20
M6 7.2 5.76
M8 17 13.60
M10 33 26.40

LIABILITY DISCLAIMER

The information chart presented on this page are typical values under certain test conditions and are not a guarantee of average values nor a guarantee of maximum or minimum values under all conditions. Thrust values shown are FAILURE MODE. They are shown solely for the reader to utilize appropriate testing equipment to make his/her own evaluation, and are not intended by Ruland Manufacturing Co., Inc., as warranties, either express or implied, of fitness for a given purpose. A full disclaimer and limited warranty can also be found on this site.