HIGHDRIL Diamond Drilling Bit 9pcs 6/8/25/35/50mm Core Bit+55mm Chamfer+10mm Milling+Adapter Porcelain Granite Marble Hole Saw M14

ITEM:HIGHDRIL 1set Box Bits For Porcelain Tile Granite Marble Quantity:1set/9pcs boxed bits(6pcs Drilling bits,1pc Chamfer bit,1pc milling Bit, 1pc Hex Adapter) Size:  1.Core Bits: Diameter:6/8/25/35/50mm; Total length:60mm, Diamond Height: 10mm, Grit:#35/40；M14 Thread. 2.Chamfer Bit: Total length:55mm; Working length:46mm,Grit:#80;M14 Thread. 3.Milling Bit: Dia 10mm, M14 Thread,Total Length :65mm 4.HEX Adapter:Total Length 53mm Application： Drill bits: Dry or wet drilling for porcelain,tile,granite,marble,stone,etc.   Chamfering Bits:For chamfering,enlarging,grinding and polishing the formed holes. Milling Bit:Enlargement of existing holes in ceramics, hard ceramics, marble and granite, shaping and rounding of holes, restoration of hole contours and finishes, grooving of external edges, etc. HEX Adapter: M14 thread core bits can be fitted on hand drill or electric drill Feature:     1. It adopts vacuum brazing technology to produce, which greatly improves the working life;     2. T