glass perforator tile hole opener diamond tapper hole opener

This product should be used with caution, with a speed of about 800-1000 revolutions per minute. It is essential to continuously add water for cooling (not too much, but to continuously add water). It is strictly prohibited to drill without water! High-temperature friction can cause severe wear, affecting the use effect!

1. Start by grinding a shallow groove on the tile or glass (other materials) surface at an angle.

After the drill bit is slightly aligned, continue to grind out deeper crescent-shaped grooves.

3. Align the drill bit, continue at the original speed until the job is completed (be sure to add water while drilling)