ROSCHEN GROUP
                                                                                                           
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105 Years
Since 1921
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Tools & Hardware Drill Bits Multipurpose Drill Bits

12 1/4 Inch TCI Tricone Drill Bit for Water Well & Geothermal Drilling - 90-300 RPM, IADC 117-647

Price Negotiable
Price: Negotiate
MOQ: 1~5 piece
Delivery Time: Negotiable
Brand: ROSCHEN
Product Description
Product Overview

12 1/4 inch TCI tricone drill bit designed for water well and geothermal hole drilling applications. Engineered for optimal performance in demanding drilling conditions.

Key Features
  • Advanced TD series motor bit technology for directional and horizontal well drilling
  • High RPM capability (90-300 RPM) with superior gage protection
  • Enhanced stability and reliability for extended service life
  • Excellent hydraulic efficiency and cooling performance
  • Available in sizes from 7 7/8 to 12 1/4 inch
  • IADC codes ranging from 117 to 647
IADC Code Specifications
First Digit Bit Type & Formation
1 STEEL TOOTH BITS for Soft Formation (IADC 111-126-134)
2 STEEL TOOTH BITS for Medium Formation (IADC 211-224-234)
3 STEEL TOOTH BITS for Hard Formation (IADC 311-314-321)
4-5 TCI BITS for Soft-Medium Soft formations (IADC 437-517-527)
6 TCI BITS for Medium Hard-Hard formations (IADC 617-627-637)
7-8 TCI BITS for Hard and abrasive formations (IADC 732-737-837)
Bearing/Seal Types (Third Digit)
Code Description
1 Standard open bearing roller bit
2 Standard open bearing roller bit, air-cooled
3 Standard open bearing roller bit with gauge protection
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
Standard Connection Sizes
Bit Size Standard Pin Connection
2 1/2" to 2 3/4" A - AW Rod
2 7/8" to 3 3/8" N4 Rod
3 1/2" to 4 1/2" 2 3/8" API
4 5/8" to 5" 2 7/8" API
5 1/8" to 7 3/8" 3 1/2" API
7 1/2" to 9 3/8" 4 1/2" API
9 1/2" to 14 3/8" 6 5/8" API
14 1/2" to 18 1/2" 6 5/8" API or 7 5/8" API
18 5/8" to 26" 7 5/8" API or 8 5/8" API
27" and larger 8 5/8" API
12 1/4 inch TCI tricone drill bit for water well and geothermal drilling applications
Frequently Asked Questions
Q1. Do you accept customized orders according to customer requirements?
Yes, we accept customized orders regardless of purchase quantity.
Q2. Can I expect quality products?
Yes. All our activities are accredited to ISO 9001:2008 and API standards. Our mature production technology ensures products meet international quality requirements.
Q3. What are your lead times and shipping options?
Lead time depends on order quantity. We typically ship by sea, but can arrange air freight for small or urgent orders. Shipping times: approximately 25 days to Europe, 20 days to West Coast USA.
Q4. What are your trade terms?
We offer EXW, FOB, CFR, CIF, DDU.
Q5. What are your payment terms and methods?
Standard payment terms: 30% deposit, 70% balance before shipment. We accept T/T and L/C payments.
Contact Information
Company: ROSCHEN INC. / ROSCHEN GROUP LIMITED / ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL, ROSCHEN_GROUP
WeChat: +86-137 6419 5009; +86-135 8585 5390
WhatsApp: +86-137 6419 5009; +86-135 8585 5390
Email: roschen@roschen.com; roschen@roschen.net
Websites: http://www.roschen.net; http://www.roschen.cn; http://www.roschen.com; http://www.roschengroup.com

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company ROSCHEN GROUP
Location 65 EAST XINHUAN ROAD, SHANGHAI, CHINA
Contact Person Bill, George, Michael

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