3pcs Hex Ti Porcelain Spear Head Ceramic Tile Glass Marble Drill Bits Set 6 8 10mm

Description:
This bit for the hard brittle ceramic material,such as glass and so on.
It can be used with the ordinary drilling hammer.
It must be add coll-ant when it is being used.

Specifications:
Drill 1: approx 6mm*77mm
Drill 2: approx 8mm*82mm
Drill 3: approx 10mm*85mm

Usage:
When drilling the hole,your force should be slow,especially at the beginning of drilling and when it is drilling the glass through.
Turn on the right when working speed 400-500.

Package included:
3 X Drill Bits