1"-8 UNC Nut and Hex Bolts, 1" - 6"
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1"-8 UNC nut and various lengths of hex head bolt.
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Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution — Share Alike
This is a 1"-8 UNC hex nut and an assortment of hex bolts in various lengths.
These models have actually been printed and tweaked to operate with similar clearances to real metal nuts and bolts I got from McMaster-Carr. Obviously, don't use these for anything that needs a real metal nut or bolt of this size.
My printer has pretty normal tolerances, I think, but you can adjust the XY compensation in your slicer if you need to to make adjustments.
I've also included STEP files for the nut and 2" bolt.
If anyone needs variants on these e.g. studs, different lengths, negatives for the internal threads, etc. let me know and I will see what I can do.
Tested at 0.3mm layer height w/ an 0.6mm nozzle in PLA.
Modeling details
These are modeled in Fusion 360.
- The internal threads were done using the Thread operation, using 1"-8 UNC threads with 3B class, followed by a negative 0.3mm offset face and an approx. 0.5mm fillet on the crests (see images below.)
- The external threads are 1"-8 UNC 2A modeled threads straight off the Thread operation.
