3/8 x 12 High Speed Long Boy

1/4-20 x 5/8 Grade 5 Hex Cap Screw Plain Domestic USA (100)

3/4 x 18 Ship Auger Wood Bit

#3 drill point

5/8-11 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) Square Bugle Decking Screws Yellow Zinc Plated 3/8 x 12 High Speed5 8 11 x 5 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) . 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