THE BASIC PRINCIPLES OF WOOD SCREWS

There are 2 different types of hex screws: An Allen screw features a hexagonal indent in The top, necessitating an Allen wrench, and one other type has no indent inside the hexagonal head and have to be used or eradicated with a socket wrench.You can't use a pozi driver over a Philips generate screw, and You can not make use of a Philips driver wit