5/16-18 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

7 x 2 1/4 Simpson Trim-Head Wood Decking Screws - Square Drive 305 SS - Bulk Pail (3000)

8 x 3/4 Square Flat Particle Board Screw Plain & Lubed - Carton (10

1-8 x 1 1/4 Socket Set Screw Cup Point Alloy

9/16-18 x 3 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

5/8-11 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) 3/4-16 Hex Cap Screws 316 Stainless Steel 5/16-18 x 5 1/2 Grade5 8 11 x 3 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 of