The coating on this drill bit gives it the hardness and durability needed to cut through these tough materials efficiently. For example, when working on a stone carving project or installing ceramic tiles, the drill bit's cutting performance can significantly improve the quality and speed of the work.

Key Feature:
Valuable Tool: Its versatility, precision and diamond coating make it an invaluable tool for professionals and enthusiasts alike.
Various Installations: It is usually mounted on an Angle grinder/electric hand drill and can be mounted directly or with an extension bar.

Specification:
Product Name: Step Drill Bit Set
Diameter: 20/35/50 mm (0.79/1.38/1.97 in)
Interface: M 10 (Angle grinder, marble machine, plus connecting rod can be used for electric drill)
Material: Diamond
Total length: 60 mm / 2.36 in

Parts List:
2 x Particles Cone Drill Bit

Note:
1. There may be slight color differences between the product picture and the actual item. We will do our best to display the color as accurately as possible.
2. Please allow slight dimensional discrepancies due to manual measurement.