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Pilot Bit
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Pilot Bit

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Drill bit selection is a key element of achieving high production rates.Our rock bits are specially designed to drill soft to hard formations,typically in sizes 4-3/4" to 26".

A complete and professional production process ensures each part of rock bit is produced strictly to meet customers' expectations. FeiLong Retop delivers reliable and high-quality roller bits to help every customer completes project effectively.



  - High reliability of Bearing and Seal

  - Enhanced Cone Protection for maximum abrasion resistance

  - Efficient Cutting Structure for improved bit life

  - Drill efficiently in longer, uninterrupted runs

HDD Performance Features 

HDD features ranging from increased shirttail protection to reliable seal to address the unique needs of the HDD market

Replaced Nozzles Design

Replaceable nozzles with either nail retention or snap ring retention are supplied for the best hydraulics possible in the HDD Industry

Efficient Cutting Structure

A range of effective cutting structures are offered to meet the specific demands of your project

Premium Bit Components

Proprietary bearing components and carbide inserts drives superior performance

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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