10 x 3 1/2 Simpson Bugle-Head Wood Decking Screws - 6-Lobe Drive 305 SS - Bulk Pail (1000)

3/4-10 x 3 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (25)

3/8-16 x 4 1/2 Hex Tap Bolt Silicon Bronze

3/8-16 x 3 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (400)

5/8-18 x 8 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (70)

5/16-18 x 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 1/2-20 Grade 8 Hex Cap Screws Plain - Domestic USA 10 x 3 1/2 Simpson5 16 18 x 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) . 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