Diamond Finger Milling Bits,BRSCHNITT 30mm Dry Core Drill Bit with M14 thread for Enlarging Shaping Existing Holes of Porcelain Tile Ceramic Marble Granite Countertop

✔Size --1pc 30mm, 50mm workable length, M14 Thread, Grit #45/50, toal Length 65mm ✔Wide Applications --Recommended for enlarging, shaping and/or round bevel existing holes in porcelain tile, ceramics, bathroom tile,marble and countertop with ease,necessary to accomodate pipes or electric wire lines ✔High Performance --This diamond milling bit helps to be durable and have a long sevice life , you could make hole smoothly with no wandering ✔Cost-Effective --You could use only one size core bit and this finger bit to create different size of holes,which will save your money greatly! ✔Machine --Angle grinder M14 Thread