Button Head Socket Cap Screws
Button head socket products can be used for the same jobs as the head cap screws, however, they have a differently shaped head. It has a lower profile and is more rounded than the regular head cap screw, and is also used for decorative purposes (for an industrial look).
U.N.R.C. Coarse Thread / Class 3A Threads
145,000 psi. min. (thru 1/2" diameter)Manufactured to ASME B18.3 specifications / Heat Treated Alloy Steel
135,000 psi. min. (over 1/2" diameter)