China API Rotary roller mining bit IADC742 12 1/4″ in stock

Brand Name:	Far Eastern
Certification:	API & ISO
Tricone bit No:	IADC742
Minimum Order Quantity:	1 piece
Bit Size:	12 1/4″ (311mm)
Pin Connection:	6 5/8″API
Product Weight:	98KG
Warranty Term:	5 years
Application:	Limestone,granite,sandy sandstone,dolomite and chert

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Product Detail

Catalog

Product Description

Wholesale mining well tricone drilling bits with discounted price from China factory.
Bit Description:
IADC:742-TCI sealed roller bearing bit with gauge protection for extremely hard and abrasive formations.
Compressive Strength:
100-150 MPA
14,500-23,000 PSI
Ground Description:
Hard, well-compacted rocks such as :hard silica limestones,quarzite streaks,pyrite ores,hematite ores,magnetite ores,chromium ores,phosphorite ores,and granites.
We can offer mining tricone rock drill bits in a variety of sizes and most of IADC Codes.

Product Specification

Basical Specification
IADC Code	IADC742
Size of Rock Bit	12 1/4 inches
Size of Rock Bit	311mm
Thread Connection	6 5/8” API REG PIN
Product Weight:	98Kgs
Bearing Type:	Roller-Ball-Roller-Thrust Button/Sealed Bearing
Circulation Type	Jet Air
Operating Parameters
Weight on Bit:	49,000-85,750Lbs
Rotary Speed:	90-60RPM
Air Back Pressure:	0.2-0.4 MPa
Ground Description:	Hard, well-compacted rocks such as: hard silica limestone, quarzite streaks, pyrite ores, hematite ores, magnetite ores, chromium ores, phosphorite ores, and granite.

CUTTING STRUCTURE:
Ovoid on gage,ogive and ovoid on inner rows.
Designed for hard and abrasive formations with high compressive strengths such as granite,limestone,sandy sandstone,dolomite and chert.
Applicaiton:46,000-56,000
SHIRTTAIL PROECTION:
Hardmetal and wear resistant carbide on shirttail lip and lug.
PRODUCT SPECIFICATION:
IADC Code:742
Bearing Type:Roller-Ball-Roller-Thrust
Button/Open Bearing
Circulation Type:Jet Air
Cutting Structure:
Inner and Nose Rows:Ogive and ovoid.
Gage Rows:Ovoid
Gage Bevel Protection:Round
Pin Connection:6 5/8" API
Metric Bit Dia:311mm
OPERATING SUGGESTIONS
Weight on Bit:49,000-85,750lbs
Rotary Speed:90-60RPM
Air Back Pressure:0.2-0.4MPa