5/16-18 x 1/2 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc WIY and a fully threaded shank

and a fully threaded shank that provides maximum holding power

while the fully threaded design allows for maximum engagement with the material

The 4-24 x 1 Phillips Oval Self Tapping Screw Type AB Fully Threaded Black Oxide is a versatile and durable screw designed for a wide range of applications

The hexwasher head provides a wider bearing surface than a standard washer head

3/8"-16 x 4" Carriage Bolt Galvanized

5/16-18 x 1/2 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc WIY and a fully threaded shankThis 5 16 18 x 1 2 Serrated Hex Flanged Washer Full Thread Screw Case Hard Zinc is a durable and versatile fastener designed for a wide range of applications. The serrated hex head provides a secure grip for tightening, while the flanged washer helps to distribute the load and prevent damage to the material being fastened. The full thread design allows for maximum holding power, and the case hard zinc plating provides corrosion resistance. This screw