KEENTOOL developed series core sample drill bit with different bonds to be used for wet drilling of granite, marble, and kinds of other stone materials, as well as special application of drilling concrete, reinforced concrete etc with features of high working speed, long duration and perfect finish.

Diameter: From 5mm-450mm

Remarks:

1. Different bonds are available for drilling cured concrete, reinforced concrete, green concrete and asphalt.

2. Other specification is available as per customer’s requirement.

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)

We, Keen Diamond Tool Co. Ltd specialize in development and production of series machinery and diamond tools for stonequarry, processing and civil construction work, especially in the fields of diamond wires, diamond beads, wire saws,core drill bits DTH drill etc. All of our products have been proved in very competitive performance in USA, Brazil, Mexico, Sweden, Germany, South Africa, Thailand etc.