1/4-20 X 5/8 FLAT HD SOCKET NYLOK
1/4-20 X 5/8 FLAT HD SOCKET BRASS
1/4-20 X 5/8 FLAT HEAD SOCKET S/S
1/4-20 X 5/8 FLAT HD SOCKET UNDERCUT S/S
1/4-20 X 5/8 FLAT HEAD SOCKET GEN LINE
1/4-20 X 5/8 FLAT HD SOCKET ZINC GEN LINE