Diamond Core Bit
1.Side Protection
2.Speed:2500-5000rpm
3.40-60s/hole for 3cm granite
4.Lifetime:80-100 holes

Diamond Core Bit 

Introduction

This core bit is unsurpassed in drilling speed due to the turbo style rim design. The diamonds on the outside of the tube enhance the drilling capabilities,making this the perfect choice for on site drilling.

Feature:

1, Fast and smooth drilling at high speed.

2, Suitable for dry drilling stone.

3, Welded by Laser and vacuum brazed protection reducing heating

4, Never tip off and amazing long life.

Application:

For drilling granite and marble.

Other specification could be ordered according to your requirements.