Diamond Drill Bit Set For Ceramic, Diamond Coated Hole Saw Drill Bits 14pcs 3-70mm 800-1000RPM Saw Drill Bit Cutter for Glass Marble Tile for Grill Glass Tiles Marble for Glass Marble Tile

• ☀Application:This Glass hole opener can be applied to job openings fast glass, plastic sheeting, wood and other products.
• ☀Application:This Glass hole opener can be applied to job openings fast glass, plastic sheeting, wood and other products.
• ☀Application:This Glass hole opener can be applied to job openings fast glass, plastic sheeting, wood and other products.
• ☁High quality: This product uses advanced natural diamond material, with a special enhanced coagulation treatment from electroplating sand suction hole neat, smooth, no broken edges, etc., is the efficient construction, installation hole of choice.
• ☂Applicable situation: The Diamond Coated Hole Saw Drill Bits is installed on a professional drill or electric drill, bench drill. Rpm 800-1000 rpm or so, you must add water cooling holes during

Package Includes: 14pcs Diamond Coated Hole Saw Drill Bits NOTE: 1 After opening installation, commissioning idling should observe whether the beating, then normal operation, the best results. 2 Into the hole to have a smooth time, please do not exert pressure on the side and curves spud. 3 Have enough openings for cooling and lubrication to reduce wear and coating products off. 4 Non-occurrence of high-temperature drilling dry rub, causing severe wear affect the results. 5 The operator must wear safety protective equipment to ensure safe operation. 6.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.