Product Information:

Emery glass hole opener, glass drill bit, ceramic tile drilling hole, bead, jade, round vitrified brick, marble

Item No.: Glass Hole Opener

Standard: Metric

Material: high speed steel

Surface treatment: electroplated diamond powder

The speed of the hole should not be too fast, it must be slow, pay attention to adding water

Instructions for use:
The glass hole opener is installed on an ordinary electric drill (the electric drill can adjust the speed better), because this kind of hole opener does not have a centrally positioned drill bit, be careful when operating it, first let the hole opener touch the glass slowly and diagonally Make a crescent socket on the side where the hole is not used, then position the drill bit and use this crescent socket to locate, so that the drilling operation can be completed smoothly. Water must be added to cool the hole opener during the hole process

• According to your choice.
• Other accessories are not included.