It's almost impossible to tighten a slotted screw with a power drill, as it will just spin loose. Phillips round head Round heads are domed and appear to be half of a sphere. Phillips generate is x-shaped for installation by using a Phillips screw driver. Zinc plated metal A reduced https://stainlesssteelbandingsupp99764.iyublog.com/29938250/not-known-factual-statements-about-wood-screws