3/4-10 X 3 3/4 HHCS GR 5
1-8 X 3 3/4 HHCS GR 5
1/2-13 X 3 3/4 HHCS GR 5
5/8-11 X 3 3/4 HHCS GR 5
3/4-10 X 3 3/4 HHCS GRADE 2
1/4-20 X 3 3/4 HHCS GR 5
1/4-20 X 3 3/4 HHCS GR 8
5/16-18 X 3 3/4 HHCS GRADE 2
5/16-18 X 3 3/4 HHCS GR 5
5/16-18 X 3 3/4 HHCS GR 8