Metric Bolt Torque Chart. Lubed means cleaned, dry bolts, lubricated with standard medium viscosity machine oil. 1/4 20 17 13 8 16 5/16 18 28 21 16 34 3/8 16 41 31 29 60 7/16 14 57 43 47 95 1/2 13 76 57 71 145.

Lubricating the bolts is the suggested method. Below is a list of bolt torques compiles from various machine tool manufacturers. Download as pdf or read online from scribd.