10PCS 15PCS 20PCS 10PC 15PC 20PC Diamond Coated Hole Saw Set Drill Bit Bits Cutter Tile Ceramic Glass Marble Drilling

100% brand new and high quality.

Special wear-resistant, sharp processing use, there is no crushing edge, fast, sharp, wear-resistant

This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other.

Materials and only needs water for lubrication.

Always use lubrication (water), otherwise the diamond core drill will burn.

Can be used with a standard electric drill.

Start your hole diagonally, make a round trace and then hold drill straight.

Instructions

Glass drilling device is installed in the use of ordinary hand drill (electric drill to speed better), because this hole is not the central positioning of the drill bit, be careful when operating, let the hole at a slow slow access to glass Useless side of the hole out of a crescent, and then put a bit is used to locate the crescent, so you can successfully complete the hole operation.

Note that when the hole in the speed can not be too fast, must be slow, in the process of opening the hole must be added water as cooling agent.

Specification

Material : Diamond Coated

Color : Silver

Size

10PC : 3/4/5/6/8/10/12/18/32/50

15PC : 6/8/10/12/14/16/18/20/22/25/26/28/30/40/50

20PC : 3/4/5/6/8/10/12/14/16/18/20/22/25/26/28/30/32/35/38/50

Weight

10PC : 150G

15PC : 345G

20PC : 400G

Package Include: