Core barrel is one of rock drilling tools especially used for cutting annular ring in rock, concrete and in steel reinforced concrete . Connecting the Kelly bar by Kelly box, the core barrel can drill in hard rock and cutting through the fissured rock. 

Roller bit Core Barrel is the core barrel that equipped with roller bits on its cutting ring and can drill in stratification with hardness more than100mpa. It uses roller bits to cut annular groove with a width of 200 / 300 mm and makes the rock fractured in many chippings. 

Features of roller bits core barrel: Kelly 

box:200mm*200mm;150mm*150mm;130mm*130mm;100mm*100mm; 75mm*75mm or as per client’s request. 

Barrel: Cylindrical barrel with cutting ring 

Wearing parts: roller bits 

Wearing protection: long wear strip on the shell 

Roller bits core barrel are compatible with Bauer BG, Soilmec SR, Casagrande, Mait, IMT, CMV, XCMG, Sany, Zoomlion rotary drilling rigs and others.

Customized design

We can customize the core barrel such as teeth, Kelly box, height etc to meet client’s requirements.

Quality assurance

With 10 years experiences of production of rotary core barrel, our experienced engineers and skillful workers can guarantee the high quality of the drilling augers we made.

All around after-sales service

Our sales will response to any questions within 24 hours once we get. We pay great attention to the feedback from clients and satisfy them both on products and services.

warranty:

The warranty period is six months since the core barrel are delivered.