Socket head cap screw black oxide

Full thread Partially threaded

1/4-20 5/16-18 3/8-16 7/16-14 1/2-13 5/8-11 3/4-10 7/8-9 1''-8 1-1/4-7 10-24 10-32 12-24 8/36 4/40 6/32 8/32 2/56 3/48 5/40 0/80 4/48 6/40 12-28

1/2 5/8 3/4 7/8 1'' 1-1/4 1-3/8 1-1/2 1-3/4 2'' 2-1/4 2-1/2 2-3/4 3'' 3-1/4 3-1/2 3-3/4 4'' 4-1/2 5'' 5-1/2 6'' 6-1/2 7'' 8'' 7-1/2 10'' 8-1/2 3/8 4-1/4 4-3/4 5-1/4 1-1/8 14'' 13'' 1/4 1-5/8 5/16 7/16 3/16 5-3/4 15''