Size-diamond finger bit Diameters：0-1 3/8"(0-35mm）, 50mm workable length, 5/8-11 Thread, Grit:#50/60, toal Length 65mm. Application- 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 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! Attention-【It is not recommended to drill holes】Dry and wet use; 5/8"-11 thread, suitable for angle grinders, easy to operate. Recommended speed 6000RPM, maximum speed 11000RPM; High Performance --This diamond milling bit helps to be durable and have a long sevice life , you could make hole smoothly with no wandering Introducing the Diamond Beveling Chamfer Bit by BRSCHNITT, a versatile and cost-effective solution for enlarging, shaping, and rounding existing holes in various surfaces. This 35mm diamond finger bit, with a 50mm workable length and 5/8-11 thread, is designed for use on porcelain tile, ceramics, bathroom tile, marble, and countertops, allowing you to accommodate pipes or electric wire lines with ease. Featuring a #50/60 grit and a total length of 65mm, this high-performance tool ensures a long service life and smooth operation at speeds between 6000RPM and 11000RPM. The diamond milling bit is suitable for angle grinders and is recommended for dry or wet use. Please note that it is not recommended to drill holes with this bit. Dimensions include a width, length, and height of 35mm each, with a minimum bore diameter of 34mm. Experience the durability and precision of the BRSCHNITT Diamond Beveling Chamfer Bit for all your surfacing needs.