Drill Stopper Ø6.5–Ø13 mm (thiết kế mới)

These drill stoppers come as a paired collet and a nut. 
They are simply screwed onto the drill bit to the desired drill depth. 

This is a set for bigger diameters:

mm
Ø6.5
Ø7
Ø7.5
Ø8
Ø8.5
Ø9
Ø9.5
Ø10
Ø10.5
Ø11
Ø12
Ø12.5
Ø13

PETG with a layer height of 0.15 mm is recommended.

Update 20231210:
Added the diameter on each collet (v16).
The additional box has also been updated with diameters and plugs for better storage (here).

For smaller diameters, check out this design:
https://www.printables.com/model/279168-drill-stopper