• 11 5/8" (295.3mm) IADC 637 TCI Tricone Drill Bit/Roller Tricone Rock Bit for Water Well Drilling
  • 11 5/8" (295.3mm) IADC 637 TCI Tricone Drill Bit/Roller Tricone Rock Bit for Water Well Drilling
  • 11 5/8" (295.3mm) IADC 637 TCI Tricone Drill Bit/Roller Tricone Rock Bit for Water Well Drilling
  • 11 5/8" (295.3mm) IADC 637 TCI Tricone Drill Bit/Roller Tricone Rock Bit for Water Well Drilling
  • 11 5/8" (295.3mm) IADC 637 TCI Tricone Drill Bit/Roller Tricone Rock Bit for Water Well Drilling
  • 11 5/8" (295.3mm) IADC 637 TCI Tricone Drill Bit/Roller Tricone Rock Bit for Water Well Drilling

11 5/8" (295.3mm) IADC 637 TCI Tricone Drill Bit/Roller Tricone Rock Bit for Water Well Drilling

Type: Core Drill
Usage: Metal Drilling, Masonry Drilling, Well Drilling, Wood Drilling
Certification: API
Name: Tricone Drill Bit
China: China Tricone Drill Bit
New: 2017 Tricone Drill Bit
Customization:
Gold Member Since 2017

Suppliers with verified business licenses

Manufacturer/Factory

Basic Info.

Model NO.
ROS 11 5/8"
Supplier
Tricone Drill Bit Supplier
Sale
Tricone Drill Bit Sale
Bit
China Tricone Bit
Drill Bit
China Tricone Drill Bit
Manufacturer
China Tricone Drill Bits Manufacturer
Drill Bits
China Tricone Roller Cone Drill Bits
Item
Tricone Rotary Drill Bits
Transport Package
Wooden Box
Specification
11 5/8"
Trademark
ROSCHEN
Origin
China
HS Code
843143210
Production Capacity
2000

Product Description

11 5/8" (295.3mm) IADC 637 TCI Tricone Drill Bit/Rock Bit
 
TCI BITS for Soft - Medium Soft formations
Features large chisel-shaped tungsten carbide inserts to provide the highest penetration rates in the softest formations such as shales, clays, limestone and sands.
IADC CODES 437 - 517 - 527
TCI BITS for Medium Hard - Hard formations
Effective in a variety of formations with higher compressive strength such as hard limestone,
sandstone, dolomite and other formations with high abrasive quality, hard streaks and broken formations.
IADC CODES 617 - 627 - 637
TCI BITS for Hard and abrasive formations
With hemispherical tungsten carbide inserts. To optimize penetration rate in hard and abrasive
formations such as granites, basalts, quartzite and chert. Drilling weight of 3 ± 4 tons per inch of diameter should be applied.
IADC CODES 732 - 737 - 837
 
 
Second Digit FORMATION
1 1, 2, 3 and 4 are further breakdown of formation with 1 being the softest and 4 the hardest.
2  
3  
4  
Third Digit BEARING / SEAL TYPE
1 Standard open bearing roller bit
2 Standard open bearing roller bit, air-cooled
3 Standard open bearing roller bit with gauge protection which is defined as carbide inserts 
in the heel of the cone
4 Sealed roller bearing bit
5 Sealed roller bearing bit with gauge protection
6 Journal sealed bearing bit
7 Journal sealed bearing bit with gauge protection



Product Description

11 5/8" (295.3mm) IADC 637 TCI Tricone Drill Bit/Roller Tricone Rock Bit for Water Well Drilling


11 5/8" (295.3mm) IADC 637 TCI Tricone Drill Bit/Roller Tricone Rock Bit for Water Well Drilling




FAQ


Q: Are you a manufacturer or trading company?
A: We are a specialized manufacturer.

Q: How about the delivery terms?
1. Payment: T/T, L/C, Western Union, Paypal, 30% deposit in advance and rest before delivery.
2. Min. order quantity: 1 piece.
3. Transportation: By DHL/TNT/Fedex express, air, sea, train.

Q: How about discount?
A: Price is based on products and order quantity.

Q: Do you accept sample order?
A: Yes sure, please contact us for details.

Q: How about your after-sales service?
A: As a manufacturer, we offer promt technology support for all problems and questions. Besides, we accept goods return or replace for quality problem.

Q: How does your company control the quality?
A: Quality first. In order to guarantee high quality for our products, Roschen always makes a serious inspection for all products and raw materials in strict procedure. We have obtained certificate of ISO9001:2000 in 2004.
 




For more information please contact:


 
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED  
 
 
Website: http://roschen.en.made-in-china.com 
 ; http://roschen.en.made-in-china.com 
http://roschen.en.made-in-china.com 

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