Diamond Countersink Drill Bit

For enlarging, grinding trimming Milling Bits

Material	Diamond
Item No.
Diameter	20mm,25mm,35mm,40mm
Thread Type	M14
Color	Blue/Black/Red/Blue
Application	Dry milling for porcelain tile,ceramic tile,granite,marble,stone,etc.
Feature	1. 【2 in 1 design】, without needing to buy several different core bits, cost-effective ,To enlarge or modify the diameter and shape of a previously made hole
	2. Can also be used for smoothing, polishing or cleaning the interior edges of these holes.
	3. High diamond quality and concentration for a long useful life.
	4. Provides a good finish for its #50-60 grit size. Stable performance with minimum deviation. 5. The diamond grinding bits ARE NOT SUITABLE for making holes.