Description:
20Pcs Diamond Coated Core Drill Bit Set 3-50mm Hole Saw Cutter for Glass Marble Granite

Specification:
Material: Steel
Size:  3/4/5/6/8/10/12/14/16/18/20/22/25/26/28/30/32/35/38/50mm
Quantity: 20 pcs

Features:
1. This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other.
2. Materials and only needs water for lubrication.
3. Always use lubrication (water), otherwise the diamond core drill will burn.
4.  Works better with a electric drill   
5. Start your hole diagonally, make a round trace and then hold drill straight.

Package Included:
20 x Diamond coated drill bits

More Details: