6-20 x 1 1/2 Square Drive Flat Head Fully Threaded Self Drilling Screw Zinc & Bake CH5OF 1/4-20 x 2 1/4 Phillips

1/4-20 x 2 1/4 Phillips Flat Machine Screw Fully Threaded Zinc is a type of screw that is used to fasten two pieces of material together

a flat undercut head for a flush finish

and the fully threaded shank allows for maximum engagement in the material being fastened

Upgrade your fastening game with our high-quality carriage bolt

and the trim head design allows the screw to be countersunk below the surface of the drywall for a clean

6-20 x 1 1/2 Square Drive Flat Head Fully Threaded Self Drilling Screw Zinc & Bake CH5OF 1/4-20 x 2 1/4 PhillipsThese 6 20 x 1 1 2 square drive flat head fully threaded self drilling screws are made of zinc and bake. They are designed for use in a variety of applications, including metal to metal, metal to wood, and wood to wood. The self drilling tip eliminates the need for pre drilling, making installation quick and easy. The square drive head provides a secure grip for driving, and the flat head sits flush with the surface for a clean, finished look. These