The normal slotted head is ideal utilised that has a flat screwdriver, when the cross-formed indention is finest suited to your Phillips screwdriver. A Robertson screw contains a sq.-formed indention and needs a matching driver head. If you’re dealing with a range of substance thicknesses or diverse knobs and pulls https://wood98652.blogpostie.com/50889277/an-unbiased-view-of-screws