The regular slotted head is greatest applied with a flat screwdriver, whilst the cross-shaped indention is finest suited to the Phillips screwdriver. A Robertson screw features a square-shaped indention and needs a matching driver head. There are actually 5 different types of screws that the typical Do-it-yourself fanatic will get https://wood42964.sharebyblog.com/28616858/the-ultimate-guide-to-wood-screws