5/16-18 x 3 Grade 8 Hex Cap Screw Plain Domestic USA (500)

1-8 x 10 Socket Cap Screw Alloy

10 x 2 1/2 Simpson Flat-Head Deck-Drive™ DWP Wood Screws - 6-Lobe Drive 316 SS - Deck Pack (350)

5/8-11 Drop-In Anchor Zinc Plated (25)

3/4-16 x 3 3/4 Hex Cap Screw SS 316 (A4)

1/2-20 x 3 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) 1/4-28 Grade 8 Hex Cap Screws Plain - Domestic USA 5/16-18 x 3 Grade 81 2 20 x 3 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) . 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