Diamond Step Chamfer Drill Bit

● Vacuum Brazed Processing, high diamond concentration provides for a faster cut rate while the high quality of the diamonds provides longer working life

● The step and chamfer design can expand holes, grind and chamfer stones, and is an essential tool for installers.

● Very useful to reduce the risk of cracking with standard and large format tiles subjected to tension (ex tightened plumbing, led lights etc ) .

● Very useful to improve the edge finishing of exposed holes. Dry or wet use.

Specification:

● DIY Supplies: Tiling

● Type: Core Drill Bit

● Material: Diamond

● Use: Masonry Drilling

● Thread：M14 Thread( Fit 100mm Angle Grinder)

● Step Size：20mm-35mm-50mm

● Total Length：70mm