5/8-11 x 1 1/2 Hex Tap Bolt Silicon Bronze

14 x 7 HeadLOK® Heavy Duty Flathead Fastener (250)

1/4-28 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

1/4 x 1 Nailon™ Anchor Mushroom Zinc Plated (100)

3/8-24 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (225) 10-24 Socket Cap Screws Alloy 5/8-11 x 1 1/2 Hex3 8 24 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (225) . Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum of