#1 square recess drive and trim head with a Type 17 tip for faster starts and to resist splitting in hardwoods

7 x 1 5/8 Simpson Trim-Head Wood Decking Screws - Square Drive 316 SS - Bulk Pail (1750)

11/32 x 18 High Speed Long Boy

1-8 x 2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (10)

Thickness:

7/16-14 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) 1/2-13 Hex Cap Screws 18-8 Stainless Steel #1 square recess drive and7 16 14 x 5 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 of