10-24 x 1/2 Phillips Round Machine Screw Fully Threaded Zinc WS8 #4 Internal Tooth Lock Washer

#4 Internal Tooth Lock Washer Black Oxide

It is 1 1/2 inches long and has a diameter of 4-40

which provides resistance to corrosion

while the sharp drill bit allows for easy penetration into concrete

The 100º flat head sits flush with the surface of the material being fastened

10-24 x 1/2 Phillips Round Machine Screw Fully Threaded Zinc WS8 #4 Internal Tooth Lock WasherThis 10 24 x 1 2 Phillips round machine screw is fully threaded and made of zinc. It has a Phillips drive and a round head. It is designed for use in a variety of applications, including metalworking, woodworking, and construction. The zinc coating provides corrosion resistance and durability. The fully threaded design allows for maximum holding power.