NBB vacuum brazed diamond chamfer bit with M14,diamond reamer for dry or wet chamfering professionally on hard porcelain, ceramic, tile, granite, marble, for holes trimming, for angle grinder(1, CB75)

• 1pcs of CB75 (dia.3-75 mm) NBB VB diamond chamfer bit in Professional Quality with M14 connection, easily connected to Angle Grinder (Standard connection in Europe and UK).It is manufactured with high-quality raw materials in a new generation of diamond technology and high-end production processes to deliver exceptional performance.
• It can create smooth, clean and beautiful finish on holes. It is used to chamfer holes in dry or wet condition and make them clean, especially for a chipped hole. It can help much on reducing the risk of cracking, if you want to drill a hole on a large format tile.
• It is also a multifunction tool. It can be used not only for chamfering holes, but also enlarging, shaping and/or trimming the existing holes in porcelain, ceramic, tile, granite, marble, artificial stone and other hard materials.
• It is a nice product for easily creating round side notches needed to accommodate pipes or electrical wire lines. Also, it can be used to profiling the round shape. But it can not be used for drilling.
• It can help to save lots of money. As a chamfer bit, it is suitable for chamfering the holes in a big range diameters, which means it can be used for chamfering holes in different diameters (in the related diameter range).You do not need to buy several chamfer bits for different holes.

NBB Vacuum Brazed (VB) diamond chamfer bits are professionally produced for dry or wet chamfering on all types of ceramic, especially porcelain, tile, granice, marble, stoneware, and other hard materials. With the VB technology, the diamond chamfer bits can both dry or wet drill on hard porcelain and stones in higher efficiency and longer life. The NBB VB diamond chamfer bits with M14 thread connection can be used directly on angle grinder. The recommended RPM for using will be 11,000-14,000RPM. The average life of the bits depends,ALWAYS, on the type of material and the correct use. They are dedicated to be as a auxiliary tools for diamond hole saws. They are not diamond hole saws which are used to drill holes. They can not be used for drilling holes. But they are recommended to be used after drilling a hole, especially for a chipped hole. They can chamfer the hole and make it clean. With it, You will find a clean, precise and beautiful finish on the edge of the holes. It is very useful to improve the aesthetic grade for finishing the edges of exposed holes. It is strongly recommended to use it, if you are going to drill a hole on a standard or large format tile, ceramic or stone. It can help much on reducing the risk of cracking when the tile is over stress. To make the chamfer bits last longer life, Please follow up the correct instruction of using method. 1. Please not use the hammer mode of the machine. 2. Before making a new chamfer, we must ensure that the bit is installed on the machine correctly, firmly without any vibration. 3. The bit should be clean and free of any obstruction. All data is measured manually, so there will be a certain deviation. Please understand.