LITTLE KNOWN FACTS ABOUT TYPES OF SCREW HEADS.

Most everyone features a Phillips-head screwdriver sitting all-around they are able to use to push Phillips screws, plus the sizing of Phillips drill bits and screwdrivers is relatively clear-cut. #sixteen. Phillips Tamper-Resistant. The Phillips Screw firm made the Mortorq generate, which is a format Utilized in aerospace and automotive applicati