It's manufactured with hardened steel

The innovative box thread design reduces driving torque

3/8-16 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (100)

1/2-13 x 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (475)

Sometimes you need to find a way to securely hang something from a hollow wall

1/2-13 x 3 A325 Type 1 Heavy Hex Bolt Plain Domestic (USA) - Bulk Keg (950) 5/8-11 A307A Hex Bolts Zinc Plated It's manufactured with hardened steelThis pack of 1 2 13 x 3 A325 Type 1 Heavy Hex Bolts is perfect for heavy duty construction projects. Made in the USA and guaranteed to meet the ASTM A325 Type 1 standards for quality, strength, and performance. Conveniently packaged in a bulk keg of 950 pieces for a reliable supply.