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

3/4-16 x 2 3/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (20)

1-8 x 4 A307A Hex Tap Bolt Zinc Plated

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

3/4-10 x 7 1/2 Hex Cap Screw SS 316 (A4)

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 9 x 3 Phillips Flat1 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