Drill Stopper (Cữ chặn mũi khoan in 3D)

Easy to use print stoppers

These drill stoppers come as a paired collet and a nut. 
They are simply screwed onto the drill bit to the desired drill depth. 
No tool needed. The collet is kept small and doesn't mask the ongoing drilling. 
Diameters mm ø: 2.5 / 3.0 / 3.5 / 4.0 / 4.5 / 5.0 / 5.5 / 6.0 / 6.5 / 7.0 / 7.5 / 8.0
A simple box is also provided.

Print instruction:
Print the collets with PETG or PLA
Print the nut and the box with PLA
Layer height 0.15 mm

A new set for larger drill bits available here (20201004):