Slide Concentric Block Casing System Super Drilling System Matched DTH Drill for Geothermal Wells, Water Wells and Small-to-Medium-Sized Grouting Holes

Customization: Available
After-sales Service: One Year
Warranty: One Year

Product Description

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Basic Info

Model NO.
BOD273
Manufacturing Process
Forging
Material
Alloy Steel
Hammer Type
5’’-24’’ Hammer
Application
Pile Drilling, Water Well Drilling
Transport Package
Wooden Case or Carton
Production Capacity
5000PCS/Month
Origin
China
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Product Description

Concentric/Symmetric Slide Block Casing Drilling Assembly Bit

Symmetric casing block bit specifically designed for drilling in soft and unstable formations, ideal for geothermal wells, water wells, and micro-piling projects.

Tailored for Soft Formations

Designed to excel in formations with high mud content and abundant floating rocks.

High-Performance Materials

Utilizes specialized materials like 25Si2MnCrNi2MoV with surface treatment reaching HRC42-45 hardness.

Simplified Operation

Engineered to save time on tool replacement and significantly boost overall work efficiency.

To ensure exceptional durability and wear resistance, we subject our blocks to deep heat treatment processing. Our precision-engineered installation holes, created using advanced slow wire cutting techniques, guarantee seamless and hassle-free block usage. Trusted by global drilling contractors, we provide rock drilling products that meet your specific application needs.
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Technical Specifications

Model Casing OD (MM) Casing ID (MM) Reamer (MM) NO. Blocks Casing Shoe ID (MM) Hammer Size Drill Rod (MM)
BOD16816815618521425 INCH HAMMER76/89
BOD17817815819521485 INCH HAMMER76/89
BOD18318316320021525 INCH HAMMER76/89
BOD19419418020921676 INCH HAMMER89/114
BOD21921920523731926 INCH HAMMER89/114
BOD24524522526432108 INCH HAMMER114
BOD27327325930832428 INCH HAMMER114
BOD325325305358328210 INCH HAMMER114
BOD406406382426436012 INCH HAMMER127
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Packaging & Shipping

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After Sales Service

Standard Warranty

12 months or 2,000 operating hours (whichever comes first).

Global Support

24/7 technical assistance and spare parts supply availability.

Expert Training

Comprehensive on-site or remote operation and maintenance training.

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Project Cases

Frequently Asked Questions

What is the lead time for orders?
Standard models ship within 15–30 days; customized units require 30–45 days depending on the specifications.
Do you provide overseas after-sales service?
Yes, we provide 24/7 global technical assistance and have partnered service centers in key regions to support our clients.
Can I request a customized reamer or casing size?
Absolutely! We offer tailored configurations and attachments to meet specific project and geological requirements.
What documents are provided for international export?
We provide a full export package including Commercial Invoice, Packing List, Bill of Lading, and Certificate of Conformity (COC).
How do I place an order for these drilling tools?
Please contact our sales team with your project details for a formal quote, then confirm the order with a Purchase Order (PO).
What materials are used for the slide blocks?
We use high-grade 25Si2MnCrNi2MoV alloy steel with specialized heat treatment for maximum durability and hardness.

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