The common slotted head is greatest employed using a flat screwdriver, whilst the cross-shaped indention is best suited to the Phillips screwdriver. A Robertson screw provides a sq.-shaped indention and requires a matching driver head. The duration of these screws differs, but most drywall screws have flat heads that are https://wood64296.snack-blog.com/28630956/5-tips-about-screws-you-can-use-today