1-8 x 1 3/4 Socket Cap Screw Alloy

5/8-11 x 9 Grade 8 Hex Cap Screw Yellow Zinc Plated

When a screw reaches the collar

#1 square drive trim head

making it a reliable

7/16-20 x 1 1/4 Grade 5 Hex Cap Screw Plain Domestic USA (50) Square Truss-Head Wood Screws 305 Stainless Steel 1-8 x 1 3/4 Socket7 16 20 x 1 1 4 Grade 5 Hex Cap Screw Plain Domestic USA (50). 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