Clean round holes

1-14 x 1 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (55)

3/8 x 4 Mushroom Spike Zinc Plated (25)

1/2 L9 SAE Tension Flatwasher Yellow Zinc Plated Domestic USA (50)

1/2-13 x 3 A325 Type 1 Heavy Hex Bolt Plain (250)

1 1/2-6 x 6 A307A Hex Bolt Zinc Plated 1/2-20 Hex Cap Screws 316 Stainless Steel Clean round holes1 1 2 6 x 6 A307A Hex Bolt Zinc Plated . A307A Hex Bolts are manufactured from low carbon steel, typically 1015 1022. Our A307A bolting meets or exceeds ASTM A307 Grade A. Material is manufactured with rolled threads. Zinc plated material meets or exceeds ASTM F1941. Tensile strength will meet or exceed 60,000 psi.