The regular slotted head is best made use of by using a flat screwdriver, although the cross-shaped indention is finest suited into a Phillips screwdriver. A Robertson screw features a sq.-shaped indention and demands a matching driver head. Wood screws Use a threaded shaft. They're accustomed to sign up for https://judahikjhf.glifeblog.com/28052906/the-ultimate-guide-to-wood-screws