RUMORED BUZZ ON TYPES OF SCREW HEADS SHAPES

Hex Head- Hex head screws make it possible for for increased torque. They are usually installed using a wrench and socket. Hex heads are frequent in screws and bolts.A Twin Screw is one which has two spirals of threads jogging up the screw. They in many cases are termed Double Start out Screws since the thread begins in two sites.These will not cor