Diamond Coated Center Drill Bits Hole Saw Cup Saw Easy to Locate Stood Kit Tools Tile Marble Glass Power Tool Accessories

22 Sizes for you to choose：16/18/20/22/25/28/30/32/35/38/40/42/45/48/50/55/60mm

Centre drills: With detachable centre drill bit, the positioning is accurate and the hole saw won’t be slipped during drilling. Improve the efficiency of holing.

Sharp and Smooth Cut: Coated with high quality diamond, creates a high precision, makes the bit sharper than traditional hole saw, smooth cut with no broken edges. Making it conducive to grip drills.

Side Opening and Laser Marking: With large clearance hole, facilitates the entrance of cooling water and escape of ships and keeps the drill bit clean. With laser marking, the size mark it’s not easy to be erased. The right size will be exacted to chosen.

Wide Application: Ideal for glass, tile bottle, ceramic, block jars, slate mable , granite light stone and so on. Remember to add water during drilling to extended bits’ life.