20 Pcs 3-50mm Diamond Drill Bits Set Hole Tool Glass Marble Granite

Features:
-100% and high quality.
-This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or .
- Materials and needs water for lubrication.
- Always use lubrication (water), otherwise the diamond core drill will burn.
- Works better with a electric drill
- Start your hole diagonally, make a round trace and then hold drill straight.

Specifications:
Model: 20 Pcs 3-50mm
Size:
3/4/5/6/8/10/12/14/16/18/20/22/25/26/28/30/32/35/38/50mm
0.12/0.16/0.20/0.24/0.31/0.39/0.47/0.55/0.63/0.71/0.78/0.87/0.98/1.02/1.10/1.18/1.26/1.38/1.50/1.97 inch
Quantity: 20 pcs

Packaged included:
20pcs Diamond Coated Hole Drill Bits




















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