This is a fixture for mounting chucks on a mill. Works with cheap 100mm import chucks, including 3 Jaws, ER40, and 4 jaw.
Check your chucks mounting pattern and locating boss size before making. Fusion Files are included below.
Locating studs, 2x required: https://fluxworkholding.com/products/locating-studs
Compatible Chucks
3 Jaw Chuck (Cheap, but needs modification): https://amzn.to/3U94kjp
3 Jaw Chuck (More expensive, but no mods needed): https://amzn.to/3TQ9u3y
4 Jaw Chuck (Cheap, but needs modification): https://amzn.to/47w3D6y
ER40 Chuck: https://amzn.to/3H6cjpD
Youtube video:
The author marked this model as their own original creation.