Cutting ring with roller bits and releases the internal stress of rock.
Drilling with the method of rolling and squeezing can increases the anti-wear ability of the barrel.
Small barrel facilitates the coring operation; large barrel performs stage breaking.
Applicable layers:medium or slightly weathered rock, hard or superhard bedrock.1.Cutting ring with roller bits and releases the internal stress of rock.
Packing: In wooden case , steel case, also be packaged according to customer requirements.
Shipping: We will issue the goods within 7 to 30 days after you place your order.
Chengdu Rongwanda Drilling Equipment Co., Ltd.
- Phone: +86 028-028-83133708
- Business Type: Trading Company
- Location: China
- Main Products: API Standard tci tricone bit and carbide drill
- Total Employees:Less than 100 people
- Year Established:
- Export Markets:
- Total Annual Revenue:
