10 Different Self-Tapping screw head types | BDN Fasteners
Metal Bolt Heads. Set Of Different Screw Heads Types Isolated On White Background. Industrial Top View Bolts, Screws, Nails, Rivets Royalty Free SVG, Cliparts, Vectors, And Stock Illustration. Image 152477610.
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Why do we need two different types of screws, and therefore two different types of screw drivers (and drill bits and everything else)? Is there any actual difference? - Quora