Product Introduction

Black diamond core drill bits

These small black diamond core drill bits for granite are used  for drilling small holes on kinds of stone such granite, marble, sandstone, limestone, slate, etc.

These diamond drill bits can be used for portable electric driller and bench drilling machine,there are high speed and low speed stone bits.

Features:

1.Long lifespan and high efficiency.

2.Include two connections,shand and thread.

3.Machinery: Suitable for electrical hand-held drillers or CNC machines.

4.Attractive performance and reasonable price.

Black diamond core drill bits

The followings are our normal sizes of the black diamond core drill bits.

Other specifications are available upon request.

1/4'' 6mm black diamond core drill bits

Fujian Nan'an Boreway Machinery Co., Ltd. is located in Shuitou Town, Quanzhou City Fujian Province, which has been known as The Chinese Stone City.  

Add: Shuitou Town, Nan'an City, Quanzhou, Fujian, China (Mainland) Zip: 362342  

Tel: (+86)595-86990206

Fax: (+86)595-86990220

Skype:boreway02

Attn:Will Liu