A 250mm hex core drill extension designed to increase drilling depth for both wet and dry diamond core drilling applications.
• Extension function: Increases drilling depth reach
• Hex connection: Fits standard drill chucks
• Extension length: 250mm reach
• Application use: Wet and dry core drilling
• Compatibility: Suitable for core drill systems
• Material type: Steel construction
OTEC Hex 250mm Extension - Core Drill Extension For Wet & Dry Drilling
A 250mm hex core drill extension designed to increase drilling depth for both wet and dry diamond core drilling applications.
• Extension function: Increases drilling depth reach
• Hex connection: Fits standard drill chucks
• Extension length: 250mm reach
• Application use: Wet and dry core drilling
• Compatibility: Suitable for core drill systems
• Material type: Steel construction
- Buy 5 for £17.23 £14.36 each and save 15%
- Buy 10 for £13.56 £11.30 each and save 33%
| BULK DISCOUNT | 5 | 10 |
|---|---|---|
| Price | £14.36 £17.23 | £11.30 £13.56 |
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Log in to access trade discountsOTEC Hex 250mm Extension - Core Drill Extension For Wet & Dry Drilling
This 250mm hex extension is designed to extend the reach of core drills for both wet and dry drilling applications. It allows users to drill deeper holes while maintaining a secure connection with standard drill chucks.
Built for site use, it provides a simple and reliable solution for extending drilling depth across a wide range of construction and maintenance tasks.
Why Choose the OTEC 250mm hex extension
• Extended drilling reach: Adds 250mm depth for deeper drilling applications
• Hex shank compatibility: Fits standard drill chucks without additional adaptors
• Wet and dry use: Suitable for both drilling methods
• Stable connection: Maintains control during extended drilling
• Durable steel construction: Designed for repeated use on site
• Versatile extension tool: Suitable for multiple drilling setups
What's in the box
• 1 x 250mm hex extension
Specifications
| Specification | Detail |
|---|---|
| Product Name | OTEC Hex 250mm Extension - Core Drill Extension For Wet & Dry Drilling |
| Product Code | AC-X25 |
| Length | 250 mm |
| Shank Type | Hex |
| Application Type | Wet and dry drilling |
| Design | Solid extension |
| Material | Steel |
| Compatibility | Core drill systems |
| Use | Drill depth extension |
Compatibility
| Compatible With | Status |
|---|---|
| Standard drill chucks | ✓ Compatible |
| Core drill systems | ✓ Compatible |
| Wet diamond drilling | ✓ Compatible |
| Dry core drilling | ✓ Compatible |
| SDS Plus drills | ✗ Not compatible |
| SDS Max drills | ✗ Not compatible |
Who Is This For?
This extension is designed for trades requiring increased drilling depth in both wet and dry core drilling applications. It is suited to contractors, plumbers, and maintenance professionals using standard drill chucks.
Typical Applications
• Extending drilling depth for core drilling
• Wet diamond drilling in construction
• Dry core drilling in brick and blockwork
• Pipe and duct installations
• Electrical conduit drilling
How to Use
-
Insert the hex shank into the drill chuck
-
Tighten securely
-
Attach the core drill to the extension
-
Ensure all connections are secure
-
Begin drilling with steady pressure
-
Withdraw periodically to clear debris
Safety and Maintenance
Safety during use:
Wear PPE including gloves eye protection and dust mask
Ensure all connections are secure before use
Avoid excessive force during extended drilling
Maintain control during operation
After use and maintenance:
Clean after use
Remove debris and slurry
Inspect for wear or damage
Store in a dry environment
Frequently Asked Questions
Q: What is a hex core drill extension used for?
A: It increases the drilling depth while allowing use with standard drill chucks.
Q: Can this be used for both wet and dry drilling?
A: Yes, it is designed for both wet diamond drilling and dry core drilling applications.
Q: How long is this extension?
A: It provides an additional 250mm of drilling reach.
Q: What drills is this compatible with?
A: It is compatible with standard drill chucks using a hex shank.
Q: Can this be used with SDS drills?
A: No, SDS drills require SDS-specific adaptors.
Q: What materials can it be used on?
A: It is used for drilling in masonry when paired with suitable core drills.
Q: Does it affect drilling stability?
A: When correctly fitted, it maintains a stable connection.
Q: Is this suitable for professional use?
A: Yes, it is designed for site use across construction and maintenance tasks.
Q: Is it durable?
A: It is made from steel for durability and repeated use.
Q: Why buy drilling accessories from CMT Group?
A: CMT Group supplies trade-grade tools with reliable stock availability, expert support, and fast UK delivery including same and next working day options.
