Product Specifications
Diameter	6 3/4" 171mm
Bearing Type	Journal bearing/rubber seal ring
Drilling cycle type	Mud circulation
Connection thread ty	3 1/2'' REG
Operation Parameters
Rotary speed (r/min)	40～110 r/min
Weight on Bit (KN)	0.4～1.05 kN/mm
Formation	low compressive strength, medium soft, hard abrasive interbedded formation, such as hard shale, anhydrite, soft limestone, sandstone, interbedded dolomite, etc.

Product profile

High-strength and high-wear-resistance carbide insert are used to improve the strength and wear-resistance of the insert.
The new journal bearing structure is adopted, which greatly prolongs the working life of the bearing, and has the ability to withstand moderate drilling pressure and adapt to high speed.
The performance of the new fluorinated composite sealing ring is improved, and it is more suitable for the working environment and use parameters of the roller cone bit.
The new sealing structure matches the bearing, thus greatly improving the service life of the drill bit.
T feature, a protection carbide inserts row is added between the outer rows and cone back rows for the purpose of cone protection and well wall dressing.
K feature, the inner row adopts wide-topped spoon insert, which increases the cutting width of the insert and improves the drilling efficiency.

About Us

Certifications

Package&Shipping

FAQ

Q: You are a trading company or manufacturer ?

A: Manufacturer, We are a 100% real factory with over 20 years' experience in water/oil/gas wells Drill Bits.

Q: How about your products ?

A : Both of tricone bits and PDC bits strictly conform to API 7 requirements and ISO9001. we will do kinds inspections before delivery, also cover for after-sales service.

Q: Package Methods ?

A: Normally wooden case, also can be steel box; can be customized if need.

Q: Payment Terms ?

A: we accept T/T, L/C, Paypal, Western Union, etc.

Q: Can I visit your factory ?

A: Yes, we welcome you to our factory all the time, will send invitation letters if need; also can show our workshop and warehouse online.

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