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Effective December, 1998
IL 33-DAH-1
Page 21
Torque Values for General Mounting
Decimal Standard Torque Torque
Size (in) Size (in-lbs) (ft-lbs)
.112 4-40 10 0.8
.138 6-32 18 1.5
.164 8-32 36 3.0
.190 10-32 46 3.8
.250 1/4-20 100 8.3
.312 5/16-18 206 17.2
.375 3/8-16 356 29.7
.438 7/16-14 572 47.7
.500 1/2-13 856 71.3
Torque Values for Copper BUS Connectors
Decimal Standard Torque Torque
Size (in) Size (in-lbs) (ft-lbs)
.250 1/4-20 60 5
.312 5/16-18 144 12
.375 3/8-16 240 20
.500 1/2-13 600 50