3/16 x 3 1/4 Phillips Flat Hi-Low Thread Concrete Screws Blue Ceramic Coated

00 x 100 Socket Cap Screw DIN 912 18-8 (A2) Stainless Steel

5/8-11 x 3 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (100)

1/2-13 x 5 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

Ideal for securing clips used in standing seam roofing

5/16-24 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (250) L9 SAE Tension Flatwashers Yellow Zinc Plated - Domestic USA 3/16 x 3 1/4 Phillips5 16 24 x 5 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (250) . 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