• Model NO.：YH 20-311MM4
• IADC Code：217,437,517,537,637
• Bearing Type：Rubber Sealed Journal Bearing
• Transport Package：Plywood Case
• Trademark：Reet XS
• Origin：Cangzhou City, Hebei Province, China
• HS Code：8431432000

Basic Info.

Model NO. YH 20-311MM4 IADC Code 217/437/517/537/637 Bearing Type Rubber Sealed Journal Bearing Transport Package Plywood Case Trademark Reet XS Origin Cangzhou City, Hebei Province, China HS Code 8431432000

Product Description

Hole opener-Fixed

Name: Hole opener
IADC code:217,327,437,517,537, 617, 637, 737, etc
Sizes range: 8" to 62 " and customized according to drawings or requirements.
Pilot size:5 1/2",6 1/2",8 1/2",12 1/4" etc.
Bearing type:Sealed or Open bearing.
Thread type:REG/IF/FH/Pulling eye etc
1.More suitable tooth type,bearing structure, sealing type and angle of inclination of paws.
2.More protection teeth on the roller cutters.
3.Perfect welding process prevents the damage to sealing and bearing system because of over beat.
4.Fully heat-treated alloy steel.
5.Professional engineers design hole opener for your drilling environment
Applications
It is suitable for the trenchless,no-dig,horizontal directional drilling(HDD), large size well,mining and infrastructure applications etc.
Our TCI tooth cone hole opener are promptly manufactured,we also custom manufacture reamers according to customers' special request.The custome manufactured hole opener'OD are between 220mm to 1600mm. According to the features of dilling machine and different drilling formation.
We adopt more suitable tooth type,bearing structure, sealing type and angle of inclination of paws.water cutting, good sand returning can efctivele reduce sand gathering. Unique anti-faling design of cones prevent the accident caused by falling cones which is leaded by bearing damage. Perfect welding process prevents the damage to sealing and bearing system because of over beat.The bit body adopts spiral design with good stabilizing and sand returning performance to improve hole opening speed reducing repeating rock breaking of cones.

PHOTOS OF REAL SHOT -20 INCH ROCK REAMER

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FAQ:

1.Q:What kind of packing do you have?
   A: Plywood case free of fumigation;cartons;packing can be customized-Up to export standard




2.Q:What is your price advantage?
   A:We are 100% factory directly sales,API production process guarantee,Provide customized services for brand processing.
Reduce the cost of drilling for you, Don't worry about after-sales service.Welcome to book a video-call to inspect factory.