NOT KNOWN DETAILS ABOUT TYPES OF SCREW HEADS

Modified Truss: Mod Truss head screws, AKA wafer head screws, K-Lathe screws, and spherical washer head screws, combine the many benefits of the pan head layout having an hooked up washer designed on to The top to increase head diameter. Some producers present screws that has a serrated thread, which makes it possible for the thread to chop throug