HIGHDRIL Diamond Core Drill Bit - 20-50mm Diamond Finger Milling Bits Diamond Beveling Chamfer Bit for Drilling Enlarging Shaping Holes in Porcelain Tile Ceramic Marble Granite (M14 Thread)

• 【Specification】Shank:M14 Thread; Chamfer Angle: 60°; Diameter: Drilling part 20mm, Chamfer part 50mm; Diamond Grit: Drilling part#35/40, Chamfer part#80/100, Grinding part#50/60; Total length: 92mm; Diamond height: Drill part 5mm, Chamfer part 27mm, Grinding part 25mm.
• 【Drilling & Grinding & Chamfering】The combination of drilling, grinding and chamfering can meet different needs. Super cost-effective, three processes with one thing, work more efficiently.
• 【Vacuum brazed】Using high-quality steel, combined with advanced vacuum brazing technology, the drill bit is sharp and durable, with a long service life.
• 【Grit Distinction】#35/40 diamond particles for sharp drilling effect; #80/100 high quality diamond particles for chamfering - smooth and glossy finishes; #50/60 diamond particles for reaming and grinding - fast and efficient grinding.
• 【Easy to use】5/8"-11 thread is suitable for angle grinders; Dry and wet use for tile, marble, granite, quartz, artificial stone, etc. Recommended speed 6000RPM, maximum speed 11000RPM; For use with electric drills, an SDS or HEX shank adaptor needs to be fitted.

HIGHDRIL Diamond Core Drill Bit - 20-50mm Diamond Finger Milling Bits Diamond Beveling Chamfer Bit for Drilling Enlarging Shaping Holes in Porcelain Tile Ceramic Marble Granite (M14 Thread)