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Rock Reamer with Roller Cones
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Rock Reamer with Roller Cones

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The Rock Reamer is specially designed for drilling hard formation with stable working performance. Precision manufacturing process helps create optimized concentricity of the tool and high quality cutters to help operators navigate in hard conditions.

Additionally, thanks to replaceable cutters it can be used in various ground conditions and quickly and economically refurbished or modified. Available in different cutters and seals to satisfy customers needs.



 High anti-rock ability

 Optimized cost-effectiveness of drilling with HDD process

 Carbide hard facing to improve wear resistance  

 Proprietary bearing design for Maximum Cutter Efficiency

Lug Back Enhancement

Carbide inserts are strategically arranged on lug back to improve bit's protection in abrasive formation,which can extend working life of the bit

Cone Anti-falling Technology

To prevent down-hole accidents caused bu cone dropout after bearing damage, cone anti-falling technologies is applied

Weight Reduction Design

For large-scale reaming, weight reduction design effectively reduces the blocking and helps reaming works easily

Shirttail Hard Facing

To ensure greater durability, we have welded carbide layer on shirttail that significantly increases wear resistance in this critical area

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Address: Junziguan Industrial Zone, Xicun Township, Hejian City, Hebei Province

Service Hotline:0317-3211668

Copyright: Hejian City Feilong Retop Rock Bit Manufacture Co., Ltd

International Trade Department 

Address: Room B2-0645, Century Tea Trade Building, Malian Road, Xuanwu District, Beijing

Phone: 010-63405086   Fax: 010-63407657