The standard slotted head is ideal utilized that has a flat screwdriver, whilst the cross-formed indention is very best suited to the Phillips screwdriver. A Robertson screw features a square-shaped indention and demands a matching driver head. You cannot make use of a pozi driver with a Philips drive screw, https://emilianovcgkn.therainblog.com/27779591/the-best-side-of-wood-screws