1,212
edits
Changes
→Screw Heads
== Screw Heads ==
[[File:ScrewHeadScrewHeads.png|frame|center| (a) pan, (b) dome (button), (c) round, (d) truss (mushroom), (e) flat (countersunk), (f) oval (raised head). Attribution: CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=2452317]]
== Screw Drives ==