5/16-18 X 2 1/2 HHCS GRADE 2
5/16-18 X 2 1/2 HHCS 18-8SS
5/16-18 X 2 1/2 HHCS GRADE 2 PLATED
5/16-18 X 2 1/2 HHCS FULL THRD Q/CLAMP 1