NEW STEP BY STEP MAP FOR TYPES OF SCREW HEADS PDF

Their tapered head structure allows the DIYer to insert drywall screws just beneath the surface from the drywall without having harmful it. The slight indentation that screw leaves can then be full of drywall compound to make a easy wall.Prevents unauthorised tampering with the screws. The TORX® Tamper Resistant profile has the same Attributes si