5 Simple Techniques For types of screw heads
Modified Truss: Mod Truss head screws, AKA wafer head screws, K-Lathe screws, and spherical washer head screws, Mix the main advantages of the pan head style and click here design with the attached washer crafted on to the head to raise head diameter. Alcoa Fastening techniques produced significant-torque slot drives for apps wherever a fastener o