Maximum Screw Tightening Torque

Unit (N· m)

Body material 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 4 5 6 8
AL 50 60 80 130 150 270 350 420 460 600 600 700
SST 70 110 140 210 260 350 400 500 600 700 700
PP
BR 50 60 80 130 150 270 350 420 460