Socket Cap Screw - 3/8-16 x 2-1/2" - Steel Alloy - Thermal Black Oxide - PT - UNC - 50 Pk

CAP SCREWS ARE DESIGNED TO GO THROUGH A HOLE OR NUT THAT IS PRE-TAPPED TO FORM A MATING THREAD FOR THAT SCREW. SOCKET HEAD SCREWS FOR USE WITH ALLEN KEY.