CUTTING STRUCTURE
Conical & spherical on gage, conical on inner rows, with auxiliary carbide protection.
Designed for high compressive strength, medium hard and abrasive formations, such as limestone, sandstone, interbedded dolomite.
Compressive strength: 23,000-30,000 psi/158-206 MPa
SHIRTTAIL PROTECTION
Hard welding and wear resistant carbide protection on shirttail lip and lug

Product Specifications
Diameter	9 7/8" 251mm
Bearing Type	Roller-Ball-Roller-Thrust Button/Sealed Bearing
Drilling cycle type	Jet Air
Connection thread ty	6 5/8'' REG
Operation Parameters
Rotary speed (r/min)	60-100 r/min
Weight on Bit (KN)	20.0T / 44,093 lbs MAX
Air Back Pressure	29-58 psi/0.2-0.4 MPa

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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