5/16-18 X 3 HHCS GR 5
5/16-18 X 3 HHCS GR 5 PLATED
5/16-18 X 3 HHCS GR 8 PLATED
5/16-18 X 3 HHCS GRADE 2
5/16-18 X 3 HEX HD 316 S/S
5/16-18 X 3 HHCS 316SS
5/16-18 X 3 HHCS SIL BRZ ( FULL THRD)
5/16-18 X 3 18-8SS HHCS