SERVICE 800D
5-16
Published 5-27-2018 Control # 039-06
Table 5-6 Inch Series Screws of STAINLESS STEEL 300 (18-8) with Coarse Threads
Torque Values for fasteners with lubrication these torque and
preload values result in an 80% utilization of the yield strength.
Stainless steel fasteners tend to gall while being tightened.
To reduce this risk, lubricate the threads and torque at low
speeds without interruptions. Do not use excessive
pressure. Impact wrenches are not recommended.
Size
Torque
lb-in lb-ft
#5-40 (0.125) 6.9 -
#6-32 (0.138) 9 -
#8-32 (0.164) 18 -
#10-24 (0.190) 21 -
1/4-20 68 -
5/16-18 120 10
3/8-16 210 17.5
Fo
r
Reference
Only