How types of screw heads can Save You Time, Stress, and Money.
They provide a lot more steadiness to your applied power as compared with the Phillips screws. The distinction between a Phillips screw and also a posidriv is usually recognized by wanting them from facet. you'll find ribs amongst every one of the 4 arms of the posidriv and they are marked by ‘pz’. The ‘trim’ screw head is a typical counte