5/8-11 X 3 1/2 HVY HEX BOLT B8M 316L
5/8-11 X 3 1/2 HHCS 316SS
5/8-11 X 3 1/2 316L SS HHCS
5/8-11 X 3 1/2 HVY HEX BOLT B8M (316L)