The typical slotted head is best employed by using a flat screwdriver, whilst the cross-shaped indention is finest suited to a Phillips screwdriver. A Robertson screw features a sq.-shaped indention and requires a matching driver head. You can not utilize a pozi driver on the Philips travel screw, and You https://screws81100.post-blogs.com/50139912/not-known-factual-statements-about-screws