10-16 x 4 Square Drive Flat Head Fully Threaded Self Drilling Screw Zinc & Bake D93110 while the internal teeth grip

while the internal teeth grip the bolt or screw

or performing repairs

Its 1/4" diameter and 3" length make it suitable for a wide range of projects

this bolt features a hex head for easy driving and a fully threaded body for maximum holding power

10-16 x 4 Square Drive Flat Head Fully Threaded Self Drilling Screw Zinc & Bake D93110 while the internal teeth gripThese 10 16 x 4 Square Drive Flat Head Fully Threaded Self Drilling Screw Zinc & Bake are designed for use in a variety of applications. They are made of steel and have a zinc and bake finish for corrosion resistance. The square drive head provides a secure grip for driving, and the flat head sits flush with the surface of the material. These screws are self drilling, which eliminates the need for pre drilling. They are ideal for use in wood, metal,