L.H. Dottie 5MB516112 Cap Screw Head, 5/16-Inch-18 TPI by 1-1/2-Inch Length, 1/2-Inch Hex, Zinc Plated, 100-Pack
Price 22.61 USD
Hex head cap screws * Partial thread * Grade 5 carbon steel * Zinc plated * Length is determined from the base of the fastener head