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API 8 1/2" IADC 537 TCI tricone bit/tricone roller bit for mining well drilling

Cutting structure

Steel Tooth: Premium tungsten carbide hard facing on the surface, greatly enhance the wear resistance of the tooth.
Tungsten Carbide Inserts: Various type high quality tungsten carbide inserts can be equipped on the bits, professional and scientific selection of the inserts as per the different application and drilling process to achieve high efficient drilling production.

Gauge structure

Multiple gauge protection with gauge trimmers on heel and gauge inserts on the gauge surface of the cone, tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability and bearing life.

Bearing structure

Journal bearing and roller bearing types are available to be chosen. Abrasion & seizure resistance, loading capacity, stability of the bearing are well improved, suitable for high speed rotary drilling.

Seals and Lubrication

The advanced metal seals improve the reliability and stability of the bearing sealing. Pressure difference type compensating system assures a good greasing lubrication function.

IADC

vary from 114--637 applicable for the hole drilling in the upper section with good drillability.

Our Services

Delivery Time: Based on order quantity, normally it takes 30 days for production.Only 2 or 3 days if we have stock on your request size.

Quality Control: We have our professional QC and all the products will be strict inspection and testing for every order before shipping out. 

After Services: Technical Support will be available in any time. We could provide the professional s estion for you.

EX: 1.Select the right most suitable products.

       2. According to the rock types, choosing the face type, button tooth type.

       3. According to the different purpose,. choosing the different body type 

Our Company

Our company (Hebei Goldman Petroleum Machinery Co., Ltd.) is located in Hejian City, a historical city nearby Capital Beijing. Hejian city is nearby the well known Huabei Oilfield ,which propelled the establishment and development of Goldman.

We specialize ourselves in researching and production of rock drilling bits, mainly including tricone bits, PDC bits, drag bits, HDD hole opener, roller cutters and related tools like drill pipe,rotary slips, and so on. Our products are mainly used for oil well drilling, gas well drilling, geothermal well drilling, mining, geological survey, water well drilling, HDD pipelines projects and foundation projects.