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Home > Products > Roller Cone Cutters > 120 ° U-shaped Cone Cutter > Down-the-hole drilling tools roller cone cutters
Down-the-hole drilling tools roller cone cutters
Down-the-hole drilling tools roller cone cutters
Down-the-hole drilling tools roller cone cutters
Down-the-hole drilling tools roller cone cutters
Down-the-hole drilling tools roller cone cutters
  • Down-the-hole drilling tools roller cone cutters
  • Down-the-hole drilling tools roller cone cutters
  • Down-the-hole drilling tools roller cone cutters
  • Down-the-hole drilling tools roller cone cutters
  • Down-the-hole drilling tools roller cone cutters

Down-the-hole drilling tools roller cone cutters

    Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
    Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
    Min. Order: 1 Piece/Pieces
    Delivery Time: 3 Days

Basic Info

Model No.: 8 1/2" IADC 537

Customized: Customized

Certification: API

Length: Other

Type: Other

Material: Tungsten Carbide

Use: Masonry Drilling

Size: 8 1/2 Inch

Additional Info

Packaging: PDC bits will be packing by iron case or carton case,wooden case,according to customers' requirement.

Productivity: 10000 Piece/Pieces per Year

Brand: Great

Transportation: Ocean,Land,Air

Place of Origin: Cangzhou,Hebei

Supply Ability: Level 1

Certificate: API/ISO

HS Code: 8207199000

Port: Tianjing Port,Beijing Airport

Product Description

Down-the-hole drilling tools Roller Cone Cutters for Core Barrel pilot bit pilling drill

Our drill bit can be used for 150-300 hours.Soft formations will last longer
1.Hardfaced head bearing surface,inner hole of cone is silver-plated.Thelosd capacity and seizure resistance of the bearing is greatly improved
2.Adopt the optimum design of high strength and high toughness hard alloy tooth arrangement, tooth number, tooth opening height and unique alloy tooth shape, give full play to insert bit high wear resistance and excellent cutting ability
3.Heat treatment improves the toughness of the steel and the service life of the tooth palm
4.Use the wear-resistant and high-temperature rubber high saturated nitrile butadiene rubber, increase the section area of sealing ring reduce sealing pressure And you can customize it
5.Sliding bearings and rolling bearings are available
6.All rubber compensator is uesd 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

Parameters Application Formations
Drill bit type GRT-537 8 1/2`` Compression strength 90-110 MPa, medium hard formation such as sand stone, slate, shale, limstone ect.
IADC code 537
Carbide QTY on cone cone 1: 42pieces Main technical feature
cone 2: 43pieces There are Cone 1 & cone 2 & cone3, wedge cutters design resulted a high drilling efficiency in recommend formations. The roller cone is traditional tricone bit legs, increased carbide quantity on the dorsal metacarpal can protect leg back from damage by debris efficiently.
cone 3: 40pieces
Carbide QTY on Leg 21 pieces

Replaceable Roller Cone Cutters mainly used for Rock Reamers and Core barrel .

(1) Available in sizes from 9 1/2" to 54". Any sizes available upon request.

(2) HDD provides 400mm-2000mm replaceable cutter Rock Reamer.

(3) Replaceable Cutter rock reamer is designed for big rig and big hole drilling ,fit for all sorts of rock formation. All cutters bearing is metal sealed.

(4) Big size of cutter make it longer using time life.

(5) The cone units of Great Roller cone cutters are replaceable and each main body of the Hole Openers can be used many times,thus saving the cost for the customer.

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Our Advangates
1. Two manufactures: New manufacture with 40,000 square meters in Hebei Province ,very near to Beijing , and build our own R&D Exchange Center in Beijing.
2. Goverment give us a High-tech Firm Authories Certification,we got API Spec7-1 Quality Control Standard. ISO9001:2008 Quality Management System. ISO14001:2004 Environment Management System.
3. DMG and Mazark machines manufacture with high precision .
4. Strong designs , engineers , production, sales and after sales service team.
5. OEM&ODM service.

Rock Drilling BitsOilfield Drill Bits


Looking for ideal Drilling Tools for Pilot Bit Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Drilling Tools Roller Cone Cutter are quality guaranteed. We are China Origin Factory of Core Pilot Bit Pilling Drill. If you have any question, please feel free to contact us.

Product Categories : Roller Cone Cutters > 120 ° U-shaped Cone Cutter

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