5/8-18 x 2 1/2 Hex Cap Screw SS 18-8 (A2)

Over-sized threads are wider than gutter spikes

9/16-12 x 2 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (150)

5/16-18 x 3 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (50)

1 1/4-12 x 9 Socket Cap Screw Alloy

5/16-24 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 3/4-16 Hex Cap Screws 316 Stainless Steel 5/8-18 x 2 1/2 Hex5 16 24 x 3 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 of