Conical teeth 635 8 1/2 215mm Tricon cone bit

conical tooth 635 oilfield drilling 8 1/2 215mm tricone roller bit BIT SPECIFICATIONBit Size8 1/2\'\' ,215.9mmIADC Code637Connection4 1/2Nozzle Qty3Rotary Speed(rpm)80~40Weight on Bit(KN/MM)0.5~1.2N.W./G.W.(KG)38/44Formationhard. Company Information    Hejian Hengji Bit Manufacture&nb

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conical tooth 635 oilfield drilling 8 1/2 215mm tricone roller bit
Conical Tooth 635 8 1/2 215mm Tricone Roller Bit
Bit Size8 1/2'' ,215.9mm
IADC Code637
Connection4 1/2
Nozzle Qty3
Rotary Speed(rpm)80~40
Weight on Bit(KN/MM)0.5~1.2
Conical Tooth 635 8 1/2 215mm Tricone Roller Bit
Conical Tooth 635 8 1/2 215mm Tricone Roller Bit
Conical Tooth 635 8 1/2 215mm Tricone Roller Bit
Company Information

    Hejian Hengji Bit Manufacture Co.,LTD  was established in 1990. we have kept our clients ahead of schedule and under budget by providing the highest quality tools at the best possible prices .

    We ship to more than  60 different countries and serve industries such as Oil & Gas, water well , Construction,Mining,  Horizontal Directional Drilling (HDD), Geothermal and Environmental. Our experienced staff is here to assist you with everything from choosing the right bit to shipping around the globe.

     Our goal is to provide our customers with the best quality tools, accessories and service in the industry. We are supported by many years of experience, trained professionals and a full machine shop.  Reduce the cost ,Speed the drilling ,Guarantee the safety is always our aim.


Regular Models of Tricone Bits
Regular SizesRegular IADCAPI Reg PinMake-up Torque(N.m)
3 7/8"(98.4mm)126/216/517/537/6372 3/84100~4700
4 5/8"(117.4mm)126/216/517/537/6372 7/86100~7500
5 1/2"(139.7mm)126/216/517/537/617/6373 1/29500~12200
5 5/8"(142.8mm)126/216/517/537/617/6373 1/29500~12200
5 7/8"(149.2mm)126/216/517/537/617/6373 1/29500~12200
6"(152.4mm)126/127/216/517/537/617/6373 1/29500~12200
6 1/4"(158.7mm)126/127/216/517/537/617/6373 1/29500~12200
6 1/2"(165mm)126/127/216/517/537/617/6373 1/29500~12200
7 1/2"(190mm)126/216/517/537/6374 1/216300~21700
7 5/8"(193mm)126/216/517/537/6374 1/216300~21700
7 7/8"(200mm)126/216/517/537/6374 1/216300~21700
8 1/2"(215.9mm)117/127/217/437/517/537/617/6374 1/216300~21700
9 1/2"(241.3mm)117/127/217/437/517/537/617/6376 5/838000~43400
9 7/8"(250.8mm)117/127/217/437/517/537/617/6376 5/838000~43400
10 5/8(269.8mm)117/127/137/217/517/537/617/6376 5/838000~43400
11 5/8(295.3mm)117/127/137/217/517/537/617/6376 5/838000~43400
12 1/4"(311.1mm)114/127/217/437/517/537/617/6376 5/838000~43400
13 5/8"(346.0mm)127/217/517/537/617/637/737/8376 5/838000~43400
14 3/4"(374.6mm)127/217/517/537/617/637/737/8377 5/846100~54200
17 1/2"(444.5mm)114/115/125/215/515/535/537/615/6357 5/846100~54200
20''(508.0mm)114/115/125/215/515/535/537/6157 5/846100~54200
22''(558.8mm)114/115/125/215/515/535/537/6157 5/846100~54200
24''(609.6mm)114/115/125/215/515/535/537/6157 5/846100~54200
26"(660.4mm)114/115/125/215/515/535/537/6157 5/846100~54200

Conical Tooth 635 8 1/2 215mm Tricone Roller Bit
Conical Tooth 635 8 1/2 215mm Tricone Roller Bit


1. Is your company a distributor or a manufacturer?
A:  Yes,We are a professional Rock Bits manufacturer   in China.

2. How  about your products?
A : All our activities are accredited to ISO 9001:2008, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.We have many high quality  prducts ( . 
  3.what is the Packaging & Delivery?
  A:We used high quality export carton or standard export woodern case
 4.what is the time about the delivery?
   A: repared to deliver within 1 week, if in stock.
Depends on order quantity, when out of stock,7-30days
Transportation:By sea or air

 5. How to order the products?
A: Send the inquiry with detail item description or with Model number. If there is no packing demand we take it as sea-way packing. If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.
 6.What is the website about your factory?
  A:Our website is:

Click here to view our factory Verified SGS report, SGS Serial NO.: QIP-ASI166089


Contact us

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