No Preference 1/4-20 1/4-28 5/16-18 5/16-24 3/8-16 3/8-24 2-56 2-64 4-40 4-48 6-32 6-40 8-32 8-36 10-24 10-32

No Preference 1/4 5/16 3/8 2 4 6 8 10

Aluminum Alloy Brass Carbon Steel Stainless Steel

No Preference Anodize Black Oxide Cadmium ll Passivate Phosphate Plain

No Preference 1/8 3/16 1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1 1 1/4 1 1/2 1 3/4 2 2 1/4 2 1/2 2 3/4 3