Website: thingiverse
Author: QuadeHale
Price: Free Download
File format: .Stl 3d printable
Description:
A drill stop loosely based on an ER20 collet.Select the appropriately sized collet for your drill bit, insert it in to the nuts and tighten down over your drill bit. It clamps firmly over a large area which means a low probability of it coming loose or moving. In addition collets are more concentric with the axis of drill