DETAILS, FICTION AND TYPES OF SCREW HEADS

Modified Truss: Mod Truss head screws, AKA wafer head screws, K-Lathe screws, and spherical washer head screws, combine the key benefits of the pan head layout with the hooked up washer constructed on to The top to raise head diameter. They are distinguished by their somewhat domed head and will mate with each other utilizing the male and woman si