EXAMINE THIS REPORT ON TYPES OF SCREW HEADS

Modified Truss: Mod Truss head screws, AKA wafer head screws, K-Lathe screws, and spherical washer head screws, Blend the main advantages of the pan head design and style having an attached washer built on to the head to extend head diameter. Alcoa Fastening units produced higher-torque more info slot drives for programs wherever a fastener ought