LITTLE KNOWN FACTS ABOUT WOOD SCREWS.

There are 2 sorts of hex screws: An Allen screw provides a hexagonal indent in The pinnacle, demanding an Allen wrench, and one other sort has no indent while in the hexagonal head and have to be utilized or taken out by using a socket wrench.You can not use a pozi driver on the Philips push screw, and You can not use a Philips driver on the pozi p