Hex Shank Diamond Step Chamfer Bit

Name：Diamond Step Chamfer Bit ​Thread：Hex Shank ​Step Size：20mm -35mm-50mm /（25/32'')-(1-3/8'')-(1-31/32'') ​Total Length：70mm(2-3/4'') ​ ​Features: ​ ​1. Vacuum Brazed Processing, high diamond concentration provides for a faster cut rate while the high quality of the diamonds provides longer working life ​ ​2. The step and chamfer design can expand holes, grind and chamfer stones, and is an essential tool for installers. ​ ​3. Very useful to reduce the risk of cracking with standard and large format tiles subjected to tension (ex tightened plumbing, led lights etc). ​ ​4. Very useful to improve the edge finishing of exposed holes. ​ ​5. Dry or wet use.