4 x 1/4 MS21318 Military Round Head Type U Drive Screw Cadmium EPPBZ The self drilling tip allows

The self drilling tip allows for easy penetration into metal

It meets the specifications of ASTM A563 Grade 8 and is RoHS compliant

- #8HD thread pitch

This 3/8-16 Regular Square Nut is hot-dipped galvanized for superior corrosion resistance

4 x 1/4 MS21318 Military Round Head Type U Drive Screw Cadmium EPPBZ The self drilling tip allows4 x 1 4 MS21318 Military Round Head Type U Drive Screw Cadmium. These screws are commonly used in aircraft and aerospace applications. They are made of cadmium plated steel and have a round head with a slotted drive. The screws are 1 4 inch in diameter and 1 inch in length. They are designed to be used in metal applications and are self tapping, meaning they can create their own threads as they are driven into the material. These screws are corrosion