8-15 x 1/2 Six Lobe Round Washer Self Tapping Screw Type A Fully Threaded Zinc M1.6-0.35 This 5/16-18 x 5/8 Phillips

This 5/16-18 x 5/8 Phillips Full Contour Truss Machine Screw Fully Threaded Black Zinc is a versatile and durable fastener designed for a wide range of applications

The bolt is designed to be used with a nut and washer

This 1 1/2-6 x 12 Hex Cap Screw Grade 8 Plain is a high-strength fastener designed for demanding applications

#4 Internal Tooth Lock Washer Black Oxide

8-15 x 1/2 Six Lobe Round Washer Self Tapping Screw Type A Fully Threaded Zinc M1.6-0.35 This 5/16-18 x 5/8 PhillipsThese 8 15 x 1 2 Six Lobe Round Washer Self Tapping Screw Type A Fully Threaded Zinc are designed for use in a variety of applications. They are made of zinc plated steel for corrosion resistance and have a six lobe round washer head that provides a large bearing surface for added strength. The self tapping design allows them to be driven directly into metal without the need for pre drilling, making them easy to install. These screws are fully