HDD pilot drill bits manufacturer for corssing drilling

Brand Name:	Far Eastern
Issued Certificate:	API & ISO
IADC Code:	IADC537
Order Quantity:	1 pc
Transport Package:	Wooden Case
HS code:	8207191
Production Time:	5 days
Bearing Type:	Sealed Bearing
Suitable Formations:	Soft,medium soft,hard,medium hard,very hard formations.

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Product Detail

Catalog

Product Description

Wholesale TCI HDD pilot tricone drill bits with metal sealed bearing in stock with discounted price from China factory.
Technical Data for Far Eastern's Drilling Bits as following:
1) High wear resistance and excellent cutting ability of the insert bit are given full play by using carbide combination with optimized compact numbers and rows,the exposure height and special shaped compacts.

2)All rubber compensator is used which can limit pressure differential and prevent drilling fluid from entering the lubrication system and this provides the bearing system with good assurance of lubrication.

3)Leg and Shirttail protection:Leg are protected by hardfacing and tungsten carbide inserts,for highly abrasive formations diamond coated tungsten carbide inserts can be used.

4))A row of inserts is added between gage row and heel row to him borehole wall and protect cone shell.

Product Specification

Basical Specification
Size of Rock Bit	7 7/8 inches
Size of Rock Bit	200 mm
Bit Type	TCI (Tungsten Carbide Insert) Tricone Bit
Thread Connection	4 1/2 API REG PIN
IADC Code	IADC537
Bearing Type	Journal Sealed Bearing with Gauge Protection
Bearing Seal	Elastomer sealed bearing ( Rubber sealed bearing) / Metal sealed bearing
Heel Protection	Available
Shirttail Protection	Available
Circulation Type	Mud Circulation
Operating Parameters
WOB (Weight On Bit)	20,223-44,940 lbs
WOB (Weight On Bit)	90-200KN
RPM(r/min)	120~50
Formation	Medium formations,such as medium shale,limestone,medium sandstones,medium formation with harder and abrasive interbeds,etc.

Tricone Bit for Pilot Hole of Trenchless Application
The tricone pilot bit is fitting with mud motor in rock crossing of trenchless projects, after pilot hole drilled, reamers will follow the finished hole to ream step by step.
7 7/8 Inches HDD Pilot Drill Bits IADC537 Tricone Bit For Medium Formation.
Pilot Drill Bit is the guider of horzontal directional drilling, the qualtiy must be the top grade for hard and long distance crossing.
In drilling project, Far Eastern have 15 years and more than 30 countries services experience to supply the drill bits and advanced drilling soulutions for many different applications. The application including HDD, construction,and foundation ,water well drilling.The various drill bits can be customized as per different rock formation becasue we have our own API & ISO certified factory of drill bits. We can give our engineer's solution when you can supply specific conditions, such as hardness of rocks,types of drilling rig,rotary speed,weight on bit and torque. It is also hlep us to find the siutable drill bits after you can tell us vertical well drilling or horizontal drilling ,oil well drilling or No-Dig drilling or foundation piling.