6-20 x 2 Slotted Indented Hex Washer Self Tapping Screw Type AB Fully Threaded Zinc 7/8-9 NE The teeth bite into the

The teeth bite into the surface of the bolt or screw

This 5/16-18 x 7 1/2" partially threaded carriage bolt is made of steel with a zinc finish for corrosion resistance

which provides a large bearing surface for driving and prevents the screw from slipping

which means they can be used in thicker materials

This 1/4-20 x 2 Phillips oval machine screw is made of 18-8 stainless steel

6-20 x 2 Slotted Indented Hex Washer Self Tapping Screw Type AB Fully Threaded Zinc 7/8-9 NE The teeth bite into theThese 6 20 x 2 Slotted Indented Hex Washer Self Tapping Screw Type AB Fully Threaded Zinc screws are designed for use in a variety of applications. They are made of zinc plated steel for corrosion resistance and have a slotted indented hex washer head for easy driving. The self tapping design means that they can be driven into metal without the need for pre drilling. These screws are fully threaded for maximum holding power and are available in a