3Pcs Diamond Beveling Chamfer Bits & Finger Milling Bits Set, 5/8-11 Thread Adapter, 2" Chamfer Bit & 4/5" Straight Milling Cutter for Tile, Marble, Glass, Granite & Ceramic Hole Enlarging Shaping

["PREMIUM DIAMOND TOOL SET WITH COMPLETE SPECIFICATIONS Equipped with 1pc 2 Inch (50mm) diamond beveling chamfer bit, 1pc 4/5\"(20mm) diamond finger milling bit and 5/8-11 thread adapter; 60-degree top angle, #80 grit chamfer bit with 46mm workable depth, #45/50 grit milling bit with 50mm workable length, sturdy and durable for long-term use","WIDE RANGE OF MATERIAL APPLICATIONS Perfect for trimming, enlarging, shaping and beveling existing holes in tile, porcelain, granite, marble, glass and ceramic; ideal for edge finishing of exposed holes, widely used in plumbing, LED light installation and home decoration projects","EFFECTIVE HOLE EDGE TREATMENT & CRACK PREVENTION Smoothly polishes and reinforces chipped or rough hole borders; relieves edge stress of standard and large-format tiles, effectively reduces tile cracking risk caused by tension during installation; delivers clean and neat bevel processing","COST-EFFECTIVE HOLE PROCESSING SOLUTION Achieve 0-50mm variable hole size processing with one standard diamond core bit matched with this chamfer cone bit; eliminates the need to purchase multiple hole drilling tools, saves tool costs and improves construction efficiency","PROFESSIONAL USE NOTES & SPEED PARAMETERS Not a core drilling bit, only for hole beveling, cleaning and border reinforcing; recommended working speed 6000rpm, max speed up to 11000rpm; compatible with most angle grinders with 5/8-11 thread connection"]