Operation CHARM: Car repair manuals for everyone.

Wheel Stud / Lug Nut

1/2 x 20 Thread with 60° Cone 80-110 ft lb
1/2 x 20 Thread with 90° Cone 85-110 ft lb
5/8 x 18 Thread with 90° Cone (single wheel) 175-225 ft lb
5/8 x 18 Thread with flanged nut (dual wheels) 300-350 ft lb