3/8-16 x 1/2 Phillips Flat Undercut Machine Screw Fully Threaded Zinc WNG The 5/16-18 x 4 Hex

The 5/16-18 x 4 Hex Tap Bolt Grade 8 Fully Threaded Plain is a high-strength fastener designed for demanding applications

The 3/8-16 x 2 3/4 Carriage Bolt Fully Threaded Zinc is a high-quality fastener designed for a variety of applications

split lock washers provide a spring tension that helps keep nuts and bolts from loosening due to vibration

The screw has a hex head and a 3/4-inch diameter

3/8-16 x 1/2 Phillips Flat Undercut Machine Screw Fully Threaded Zinc WNG The 5/16-18 x 4 HexThe 3 8 16 x 1 2 Phillips flat undercut machine screw is a fully threaded screw with a Phillips drive. It is made of steel and has a zinc finish. The screw has a flat undercut head that sits flush with the surface of the material it is being used with. The undercut head helps to prevent the screw from loosening over time. The screw is 1 2 inch long and has a diameter of 3 8 inch. It is commonly used in a variety of applications, including automotive,