A 250mm solid core drill extension with 1/2" BSP thread and A taper connection, designed to increase drilling depth in dry core drilling systems.
• Extension function: Increases drilling depth reach
• Solid construction: High strength under load
• Extension length: 250mm reach
• Thread type: 1/2" BSP connection
• Connection type: A taper fitting
• Application use: Dry core drilling systems
½" BSP 250mm (A Taper) | OTEC AC-B26
A 250mm solid core drill extension with 1/2" BSP thread and A taper connection, designed to increase drilling depth in dry core drilling systems.
• Extension function: Increases drilling depth reach
• Solid construction: High strength under load
• Extension length: 250mm reach
• Thread type: 1/2" BSP connection
• Connection type: A taper fitting
• Application use: Dry core drilling systems
- Buy 5 for £17.88 £14.90 each and save 8%
- Buy 10 for £16.78 £13.98 each and save 14%
| BULK DISCOUNT | 5 | 10 |
|---|---|---|
| Price | £14.90 £17.88 | £13.98 £16.78 |
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Log in to access trade discountsOTEC 1/2 BSP 250mm Solid Extension - A Taper Core Drill Extension For Dry Drilling
This 250mm solid extension is designed to extend the reach of dry core drills while maintaining strength and stability under load. The solid construction provides increased rigidity compared to hollow extensions, making it suitable for demanding drilling applications.
With a 1/2" BSP thread and A taper connection, it integrates seamlessly into dry core drilling systems requiring both depth and secure alignment.
Why Choose the OTEC 250mm solid extension
• Extended drilling depth: Adds 250mm reach for deeper drilling tasks
• Solid steel construction: Provides strength and rigidity under load
• A taper compatibility: Supports pilot drill and taper system integration
• 1/2" BSP thread: Matches standard dry core drilling connections
• Stable drilling performance: Reduces flex during operation
• Heavy-duty application ready: Suitable for demanding site conditions
What's in the box
• 1 x 250mm solid extension with A taper
Specifications
| Specification | Detail |
|---|---|
| Product Name | OTEC 1/2 BSP 250mm Solid Extension - A Taper Core Drill Extension For Dry Drilling |
| Product Code | AC-B26 |
| Length | 250 mm |
| Thread Type | 1/2" BSP |
| Connection Type | A taper |
| Design | Solid extension |
| Application Type | Dry core drilling |
| Material | Steel |
| Compatibility | Core drills and taper systems |
| Use | Drill depth extension |
Compatibility
| Compatible With | Status |
|---|---|
| 1/2" BSP core drills | ✓ Compatible |
| A taper pilot drills | ✓ Compatible |
| Core drill adaptors | ✓ Compatible |
| Dry core drilling systems | ✓ Compatible |
| Brick | ✓ Compatible |
| Blockwork | ✓ Compatible |
| Wet drilling systems | ✗ Not recommended |
Who Is This For?
This extension is designed for professional trades carrying out dry core drilling where additional depth and strength are required. It is suited to contractors, plumbers, and electricians working on deeper or more demanding drilling applications.
Typical Applications
• Extending reach for deep core drilling
• High-strength drilling in masonry
• Pipe and duct installation through thick walls
• Electrical conduit installation
• Heavy-duty construction drilling
How to Use
-
Attach the extension to the drill adaptor
-
Connect the core drill to the BSP thread
-
Ensure all connections are secure
-
Begin drilling with controlled pressure
-
Withdraw periodically to clear dust
-
Use compatible tools for core removal as needed
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 of the drill at all times
After use and maintenance:
Clean threads after use
Remove dust and debris
Inspect for wear or damage
Store in a dry environment
Frequently Asked Questions
Q: What is a solid core drill extension used for?
A: It increases drilling depth while providing additional strength and stability compared to hollow extensions.
Q: What is the benefit of a solid extension over a hollow one?
A: Solid extensions offer greater rigidity and are better suited for heavy-duty applications.
Q: What does A taper mean?
A: It refers to the connection type used with taper pilot drills and accessories for improved alignment.
Q: What thread does this extension use?
A: It uses a 1/2" BSP thread, standard for dry core drilling.
Q: How long is this extension?
A: It provides an additional 250mm of drilling reach.
Q: Is this suitable for dry core drilling?
A: Yes, it is designed specifically for dry drilling applications.
Q: Can this be used with pilot drills?
A: Yes, it is compatible with A taper pilot drills.
Q: What materials can it be used on?
A: It is used for drilling in brick and blockwork with compatible core drills.
Q: Does it improve drilling performance?
A: It improves stability and strength when drilling deeper holes.
Q: Why buy core drilling accessories from CMT Group?
A: CMT Group supplies trade-grade accessories with reliable stock, expert support, and fast UK delivery including same and next working day options.
