5/8-18 x 5 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

1/4-20 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (450)

9 x 2 1/2 Star Flat Decking Screws w/ NIBS Yellow Zinc Plated T17 - Carton (2500)

10 x 4 1/2 Phillips Bugle Decking Screws Yellow Zinc Plated - Carton (500)

1 1/4-12 x 5 Socket Cap Screw Alloy

1/4-28 x 3 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (550) 5/8 Hex Lag Screws Zinc Plated 5/8-18 x 5 1/2 L91 4 28 x 3 1 2 Grade 5 Hex Cap Screw Plain Domestic USA (550). 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