WHAT DOES TYPES OF SCREW HEADS MEAN?

This lets you exert much more torque (and so the model name 'Torx') which has a lessen danger of injury to the head. they are great, providing you Possess a bit about. normally, You will be buying 1 or operating off to The shop. Also generally often called Robertsons, these screw heads Use a square central position that works to prevent cam outs.