Company Introduction:
Hejian City Feilong Retop Rock Bit Manufacture Co Ltd, established in 1992 and located in Hebei Province of China, has evolved into an comprehensiveenterprise integrating production, R&D and distribution of tricone bits, PDC bitstrenchless drilling and rotary drilling tools. We are
always well serving customers from industries of oil gas drilling, mining exploration, HDD drilling, rotary drilling, with services covering a complete product line.
Our company covers an area of 36 thousand Square meters, has 200 employees of which over half are technicians, equipped with state-of -the-art facilitiesof processing, production, testing and experimenting. We have obtainedcomplete quality assurance systems and has taken the lead to be certificated of ISO 9001, ISO14001, OHSAS 18001 and API. Our annual production of the drilling tools totals over 25 thousand sets, exported to more than 40 countries and regions. Feilong Retop sincerely embracesbusiness cooperation with friends at home and abroad, to make jointly superiorcontributions to the global energy resources explorations.
Product Description
SIZE : 17-1/2 inch
Diameter: 444.5mm
IADC : 437, 537
Bearing Type : Rubber Jounary Bearing
Circulation Type: Regular
Cutting Structure: Inner & Nose Rows
Gage Rows: Tungston carbide instert
Pin Connection : 7-5/8 Reg
Make Up Toqure(klb.ft): 46.1-54.2( klb.ft)
Application : Drilling Industrial ,oil drilling ,mining drilling, water drilling
Our advantages:
1) API-7-1, ISO90001, ISO14001 and OHSAS18001 standard .
2) 30 years professional factory in China with competitive price.
3) Owns the most complete production capability of Rock Drilling Tools in China
4) Annual production over 20 thousand sets of drilling tools.
5) Export to more than 20 countries and regions.
Audited Supplier 
){kind=link}