1-8 x 3 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (10) Phillips Drive Framing Screws the hardness rating is HRC
Platform notes & fabric story
Description
1 8 x 3 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (10) Phillips Drive Framing Screws the hardness rating is HRC the hardness rating is HRC 24 35 5 8 11 x 4 1 2 Grade 8 Hex Cap Screw Plain Domestic USA (25) All products are manufactured with rolled threads On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30