In this part, we build a hexagonal head screw. Nothing fancy, just geometry : Lines, Circles, trim (I can’t type T on my keyboard so I used EXtend with the Shift key).
Please feel free to skip to part 2/6 if you’re already familiar with these tools. But I suggest watching from 5:51 to end to understand later how the screw head is constrained.
To download the file: https://grabcad.com/library/dynamic-hex-screw-block-2
NOTE: I’m a typing guy (old school) so I will use less the ribbon (new school) and type a lot in this series. Shorcuts used:
L – LINE, C – Circle, M – Move, EX – EXtend (Trim with shift press), POL – POLygon, CEN – snap to center, NEA – snap Near to, RO – ROtate ( withe C to copy), P – Pan, Z – Zoom, O – Offset, Shift + right click – Display temporary osnap overrides, Arrow Down key – Circle through last used commands
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If you ever have worked on cars, you have experieced a rounded out allen bolt head. Allen bolts get rounded out because
a) All the crud inside the bolt head wasn’t removed before attempting to remove the bolt
b) The Allen wrench wasn’t completely perpendicular to the Hex head
c) The Allen wrench being used is rounded out (Bad tool)
d) Not enough force was used to keep the Allen Wrench inside the head.
Either way, your hosed. Here’s the easiest methof of removing that bolt.
Same procedure works for hex head bolts.