8.5 Inch IADC 637 Core Barrel Single Roller Cone Drill Bit 617 Cutter Bit

• Customization: Available
• After-sales Service: After Sales Service
• Warranty: No
• Model NO.: CX
• Handle Material: IADC 637
• Production Time: 5-7 Days
• Delivery: by Sea or Land
• Brand: Cx
• New or Used: New
• Model: 8.5 Inch 133mm Diameter
• Weight: 5.50kgs
• Application: Hard Soil
• Transport Package: Seaworthy Packing
• Specification: depends on your require
• Trademark: ISO9001: 2000
• Origin: Made in China
• HS Code: 8431432
• Production Capacity: 100PC/Month

Product Description

Advantages:

1. 55 Conical-Ball TCI covers full cones to increase the working life

2. Thicker arm for higher strength, easy for welding and effectively protect

the sealing ring.

3. Elastomer sealed bearing with built-in grease supplement system to

improve the service life.

4. Suitable for hard formations such as granite, hard gypsum and so on.

Technical Data

1. Tungsten Carbide: 55pcs 14*20.5mm(10.5+10mm) YG11C

2. Cone Material: 15MnNi4Mo

3. Arm Material: 20CrNiMo

 

 

Product descriptions from the supplier

In jobsite

8.5 inch iadc 637 single roller cone cutter drill bit for core barrel
1. Journal sealed bearing with TCI protection on heel of cones
2. Cone1,2,3 speed up rock breaking rate
3. Shirttail hard enhanced by Tungsten Carbide
4. C133-537 adopts 14mm chisel TCI, C133-637 adopts 13mm conical-ball TCI
5. C133 series roller cones has very high cost-effectiveness, it is regular model in rotary drilling field

Packing & Delivery

Jobsite

FAQ

Q1. How long have you been in this business?

       Over 10 years experience.

Q2. Do you accept sample order?
       Yes sure, please contact us for details.

Q3. How about your after-sales service?
        We offer promote technology support for all problems and questions. 

      Besides, we accept goods return or replace for quality problem.

Q4. How does your company control the quality?

       Quality first. In order to guarantee high quality for our products.

       We makes a serious inspection for all products and raw materials in strict procedure.