10Pcs/Set Diamond Coated Marble Ceramic Tile Hole Saw Drill Bits 6‑30mm Tools US

Features:
This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other materials and just needs water for lubrication.
Can be used with a standard electric drill.
Continuously use lubrication (water ), otherwise the diamond core drill will burn.
Start your hole diagonally, make a round trace and then hold drill straight.
This glass hole opener drill is made of sturdy material, which is more durable and sturdy.

Specifications:

**Size**:
6mm outside diameter
8mm outside diameter
10mm outside diameter
12mm outside diameter
15mm outside diameter
16mm outside diameter
18mm outside diameter
20mm outside diameter
22mm outside diameter
30mm outside diameter

Package Included:
1 x 10 Pcs 6-30mm Drill Bit