The typical slotted head is most effective made use of with a flat screwdriver, whilst the cross-shaped indention is very best suited to a Phillips screwdriver. A Robertson screw has a sq.-formed indention and needs a matching driver head. Wood screws Have got a threaded shaft. They can be used https://wood31853.educationalimpactblog.com/50675924/the-ultimate-guide-to-wood-screws