L9® High Tensile Strength Hex Cap Screws are designed for use in high stress

5/8-18 x 1 Grade 8 Hex Cap Screw Plain Domestic USA (25)

9 x 3 Phillips Flat Particle Board Screw w/ Nibs T17 Zinc Plated - Carton (2

5/8-11 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (25)

2 1/2" length for 2 x 4 wood header

1/2-20 x 2 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (225) 1 3/4-5 Socket Cap Screws Alloy L9® High Tensile Strength Hex1 2 20 x 2 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (225) . 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