With solid surfaces

Exterior wood screws used for attaching wood to wood

9/16-18 x 3 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (125)

Web construction is heavier than general purpose construction making it particularly suitable for cotter pin hole drilling and cross hole drilling in head of bolts

1 1/4-7 x 5 Grade 8 Hex Cap Screw Plain Domestic USA (5)

5/8-18 x 2 Grade 5 Hex Cap Screw Plain Domestic USA (175) 3/8-24 Grade 5 Hex Cap Screws Plain - Domestic USA With solid surfaces5 8 18 x 2 Grade 5 Hex Cap Screw Plain Domestic USA (175). 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 120,000