The heads are typically marked for simpler nail identification during inspections and so are made to cut down nail bending when driven into components. This is referred to as “cam out.” Safer compared to the slotted generate and can be utilized with electrical screwdrivers. A pozi push screw is comparable, https://types-of-roof-repair49258.digiblogbox.com/54709200/rumored-buzz-on-kinds-of-screw-heads