Quanzhou Keen Diamond Tool Co., Ltd is a professinal and competitive manufacturer of kinds of diamond tools, especially in the field of diamond wire, diamond saw blade, diamond segments, diamond fickert abrasives and diamond core drill bits etc.

KEENTOOL offers different size of diamond core drill for drilling granite, marble, concrete and wall. With years of research and application of diamond core drill bits, we are pride of being able to offer high performance diamond core drill for different drilling use.

When order core drill bits, please kindly inform the followings:
1). Diameter of the core drill
2). Specification of segments for core drill bits
3). The length of the core drill
4). The size and types of screw of joint
5). For what drilling use(granite, marble, concrete etc)
6). Other special requirements ( if any)