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12-1/4" Outer Diameter Solid Carbide API Roller Cone Drill Bit For Large Open-Pit Mining

Name: 12-1/4 Outer Diameter Solid Carbide API Roller Cone Drill Bit For Large Open-Pit Mining
Brand: Suzhou Energy Tool Co., Ltd.

Solid Carbide API Roller Cone Drill Bit For Large Open-Pit Mining CUTTING STRUCTURE Spherical on gage, double spherical on inner rows. Designed for soft formations with low compressive strength, such as shale, soft limestone, interbedded dolomite, coal ore. Compressive strength: 18,000-27,000 psi/124-186 MPa SHIRTTAIL PROTECTION Hard welding and wear resistant carbide protection on shirttail lip and lug Product Specifications Diameter 12 1/4" 311mm Bearing Type Roller-Ball

Place of Origin China

Packaging Details Wooden Box

Bearing Type Roller-Ball-Roller-Thrust Button/Sealed Bearing

Bit weight 98 Kg

Model Number 545R

Supply Ability 5000PCS/Year

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Product Description

Solid Carbide API Roller Cone Drill Bit For Large Open-Pit Mining

CUTTING STRUCTURE
Spherical on gage, double spherical on inner rows.
Designed for soft formations with low compressive strength, such as shale, soft limestone, interbedded dolomite, coal ore.
Compressive strength: 18,000-27,000 psi/124-186 MPa
SHIRTTAIL PROTECTION
Hard welding and wear resistant carbide protection on shirttail lip and lug

Product Specifications
Diameter	12 1/4" 311mm
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)	80-110 r/min
Weight on Bit (KN)	24,500-61,250lb/11.1-27.8T
Air Back Pressure	29-58 psi/0.2-0.4 MPa

Applications

FAQ

Q: You are a trading company or manufacturer ?

A: Manufacturer, We are a 100% real factory with over 10 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.