Not known Factual Statements About types of screw heads
B issue: B tips are found in equipment thread screws and so are for steel, plastic and plywood, where by a pilot hole has actually been drilled. They are often simplest for shallow holes flat head screwhex head screwlag screwsPhillips screw headRobertson screw headself-tapping screwsTorx screw head These provide a huge foundation and huge surface