10-24, 1/4-20, 5/16-18 UNC GRUB SCREWS HIGH TENSILE CUP POINT ALLEN SOCKET SETS
Cup point grub screws. Also known as socket set screws. High tensile grade 14.9. 10UNC-24tpi; allen key size 3/32". 1/4UNC-20tpi; allen key size 1/8". 5/16UNC-18tpi; allen key size 5/32".