1/2-13X3/8 Thick, No Spring Nut (100 per Box)
1/2-13X3/8 Thick, No Spring Nut; Case Hard & Zinc Plated, 100/Per Box
1/4-20X1/4 Thick, No Spring Nut (100 per Box)
3/8-16X3/8 Thick, No Spring Nut (100 per Box)