1 1/2 Flat Washer SS 316 (A4)

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

1-12 x 2 1/4 Socket Cap Screw Alloy

9/16-18 x 5 1/2 Socket Cap Screw Alloy

6 x 2 1/4 Phillips Bugle Decking Screws Yellow Zinc Plated - Carton (3000)

3/8-16 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (225) M16-2.00 Flat Socket Cap Screws DIN 7991 18-8 Stainless Steel (A2) 1 1/2 Flat Washer SS3 8 16 x 4 1 2 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