- Drilling and mortising of stone, glass, and seashells.
- Allowable Number of Rotations (min-1r.p.m)
- Shaft Diameter (phi mm)
- HSS, electrodeposition diamond
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2 Customer Reviews
The reviews are automatic translation.
Expansion of the hole diameter of the bead
On 2016-11-01 14:45:17
Distance to the diamond portion and the shaft was good because there was 15mm.
It helped to hole diameter extension of up to 30mm of beads.
Use in drilling of crystal ball
On 2015-04-20 18:05:51
Was used in the drilling of the crystal ball, no longer off I opened the four or five holes.
If there is no durability, it was regrettable.
But price is also a decent, not much different from the cheap Chinese-made.
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