OMT² - Hex Allen Key set - Metric - M3 to M10

Specs :
1/4"(6.35mm) Hex compatible
Length of the Allen key bit : 20mm

Description :
Set of the 6 most commonly used Allen keys (in mm, the imperial version is available : http://www.thingiverse.com/thing:1381003)
Compatible with any standard bit holder and/or OMT² handles.

Update : If you have troubles slicing the files with ReplicatorG, there is now a version without the superscript 2 (called OMT2...)


This is just a tool head. If you need a handle or other tools for your bit holder,
visit : http://www.thingiverse.com/thing:1381028


This set has been made following the ISO 4762/DIN 912 standards.

NO TOLERANCE HAS BEEN APPLIED

Depending on your printer precision, it may be a very tight fit. Some extra cleaning work may be needed on the Allen end bit.

This will never fully replace a set of metal Allen keys, but that can come in handy sometimes ;)

Sizes :

M3 (2.5mm)
M4 (3mm)
M5 (4mm)
M6 (5mm)
M8 (6mm)
M10 (8mm)


This set comes in 3 flavours :

  • Tight
  • Basic
  • Loose

To know which one to pick, simply print this quick test :

http://www.thingiverse.com/thing:1381733