10-12 x 2 1/2 Phillips Oval Self Tapping Screw Type A Fully Threaded Zinc 09NCUP This hex tap bolt is

This hex tap bolt is commonly used in construction

preventing damage to the mating surfaces

1/4-14 x 2 1/2 Phillips Flat Undercut Full Thread Self Drilling Screw Zinc & Bake is a versatile and durable screw designed for a wide range of applications

meaning they have a single-thread design

10-12 x 2 1/2 Phillips Oval Self Tapping Screw Type A Fully Threaded Zinc 09NCUP This hex tap bolt isThese 10 12 x 2 1 2 Phillips Oval Self Tapping Screw Type A Fully Threaded Zinc are designed for use in a variety of applications. They are made of durable steel and have a zinc coating for added corrosion resistance. The Phillips drive head provides a secure grip for easy installation. These screws are self tapping, which means they can create their own threads in the material they are being driven into. They are fully threaded, which provides