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5/16-18 x 3/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (1800)
7/16-14 x 2 Grade 5 Hex Cap Screw Plain Domestic USA (50)
1-8 x 6 Hex Cap Screw SS 18-8 (A2)
8 x 3 Phillips Bugle Hi-Low Drywall Screws Phosphate Coated - Carton (2000)
City officials wanted to make sure that the sprinklers would stay up during an earthquake
1/2-20 x 3 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) 3/4-10 Grade 5 Carriage Bolts Zinc Plated 5/16-18 x 3/4 L9 Hex1 2 20 x 3 3 4 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