5/16-18 HEAVY THIN ZINC RS

41NTU1414

7/8-14 HEAVY THIN ZINC

41NTU364

2-1/4-4-1/2 HVY THIN ZINC

49NTU2812

1 3/4-12 HEAVY THIN PLAIN

E29NTU0616

3/8-16 HEAVY THIN PLAIN