2 3/4-8 HEAVY PLAIN

T21NU040-20PER

1/4-20 HEAVY TRIVALENT ZINC

21NU101P R/S

5/8-11 HEAVY ZINC R/S

41NU246

1-1/2"-6 HEAVY ZINC

T41NU149-100 PER

7/8-9 HEAVY ZINC TRIV