Identical and Non-Identical Screws

Identical and Non-Identical Screws

Identical and Non-Identical Screws

Identical Screws for wood, and Different Screws, mostly self threading with phillips, pozidirv, hex, and slot heads. . Image composite of images File:Screw for wood.JPG by Haragayato and licensed under the Creative Commons Attribution-Share Alike 2.5 Generic license on Wikimedia and Image File:Screw types.jpg by Ssawka and licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license on Wikimedia.

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