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Cutting Structure | Chisel on gage row,Conical on inner rows | ||||
Application | Low Compressive strength、Soft formation. Such as:Shale、Soft limestone、SoftSandstone 、Clay、Softgranit、Halite、Coal | ||||
Lug Protection | Hardmetal and Wear resistant carbide on shirttail lip and lug | ||||
Special Features | IADC Code 435 Bearing: Roller-Ball-Roller-Thrust Button/Seal Bearing Circulation: Air Cutting Structure Inner Rows/Quantity Conical/47 Gage Row/Quantity Chisel/36 Edging Row/Quantity Ovoid/36 Bevel Row/Quantity Ovoid/36 PIN Connection 4 1/2″REG Bit Diameter 200mm Bit Weight 34Kg | ||||
Operating Suggestions | WOB 7875-31500lb/3.5-14.3T RMP 120-90rpm Air Pressure 0.2-0.4MPa | ||||




certification of authority to use the official API monoram
International leading heat treatment production line
From 1984 to 2017, customers are located all over the world

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Very professional factory, high cost-effective product, comprehensive technology, have enough strength to serve the global market.

Has been working for more than 10 years, very happy cooperation, in the field of drilling we recommend shareate, hope that you can continue to work together

Their products has good quality, there are perfect after-sales service system, we are very satisfied.



Q1.Are you a trading company or manufacture?
A:We are manufacture for more than 30 years in this drill tools and tungsten carbide industry.
Q2.Where is your factory?
A:We are manufacture for more than 30 years in this drill tools and tungsten carbide industry.
Q3.How long is your delivery time?
A:Tricone bit lead time is around 35days.Carbide product lead time is around 25days.
Q4.How to transportations?
A:We can supply ship or flight as your wish.
Q5.How to send you inquire?
A:You can send product series or product picture. Or you can describe formation situation, our engineer will recommend our product series.
Q6.Do you have any certification?
A:We have API and IOS9001 certifications and have 30 years manufacture experience to guarantee our products quality.
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