Professional wet diamond core drill adaptor designed to convert ½" BSP female connections to 1¼" UNC female fittings used in UK construction and core drilling systems.
• ½" BSP female to 1¼" UNC female adaptor
• Converts BSP to UNC core drilling connections
• For wet diamond core drilling systems
• Precision-machined threaded connections
• Durable steel construction
• Suitable for construction drilling setups
• Compatible with professional core drilling equipment
Wet Diamond Core Drill Adaptor – ½" BSP Female to 1¼" UNC Female – OTEC AC-N66
Professional wet diamond core drill adaptor designed to convert ½" BSP female connections to 1¼" UNC female fittings used in UK construction and core drilling systems.
• ½" BSP female to 1¼" UNC female adaptor
• Converts BSP to UNC core drilling connections
• For wet diamond core drilling systems
• Precision-machined threaded connections
• Durable steel construction
• Suitable for construction drilling setups
• Compatible with professional core drilling equipment
- Buy 5 for £15.30 £12.75 each and save 9%
- Buy 10 for £13.86 £11.55 each and save 17%
| BULK DISCOUNT | 5 | 10 |
|---|---|---|
| Price | £12.75 £15.30 | £11.55 £13.86 |
Order 1x to earn 13 FASTPoints
Order to earn 13 FASTPoints
Log in to access trade discountsWet Diamond Core Drill Adaptor – ½" BSP Female to 1¼" UNC Female – OTEC AC-N66 is designed to connect drilling components that require different thread standards within professional diamond core drilling systems.
The adaptor allows contractors to convert equipment with ½" BSP threaded connections to the widely used 1¼" UNC core drill standard. This enables compatibility between drilling motors, extensions and wet diamond core drills across construction and installation projects.
Manufactured from durable steel, the adaptor provides a stable threaded connection during drilling operations while maintaining correct alignment between drilling components.
It is suitable for professional wet diamond core drilling systems used across construction, utilities and infrastructure installations.
✓ Converts BSP to UNC drilling connections
✓ Enables flexible drilling equipment setups
✓ Secure threaded connection for stable drilling
✓ Suitable for wet diamond core drilling systems
✓ Durable construction for site environments
✓ Designed for professional drilling contractors
Specifications Table – Wet Diamond Core Drill Adaptor – ½" BSP Female to 1¼" UNC Female – OTEC AC-N66
| Specification | Details |
|---|---|
| Product Name | Wet Diamond Core Drill Adaptor – ½" BSP Female to 1¼" UNC Female – OTEC AC-N66 |
| Product Code | AC-N66 |
| Product Type | Diamond core drill adaptor |
| Connection Type | ½" BSP female to 1¼" UNC female |
| Primary Application | Connecting core drilling accessories |
| Compatible Equipment | BSP and UNC threaded drilling systems |
| Recommended Machine Type | Core drilling motors and accessories |
| Use Environment | UK construction and installation sites |
Application:
The Wet Diamond Core Drill Adaptor – ½" BSP Female to 1¼" UNC Female – OTEC AC-N66 is suitable for:
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Connecting diamond core drilling accessories
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Converting BSP to UNC drilling connections
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Construction and infrastructure drilling systems
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Electrical and plumbing installation drilling
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Material Suitability Table – OTEC AC-N66
| Application Type | Typical Use |
|---|---|
| Core drilling system setup | Converting BSP to UNC connections |
| Construction drilling | Connecting motors and core drills |
| Installation drilling | Electrical and plumbing penetrations |
| Infrastructure drilling | Utility and service installations |
Usage Guide:
Before use
Inspect adaptor threads and ensure they are clean and free from debris. Confirm compatibility between drilling motor and core drill connections before installation.
During use
Ensure both threaded connections are tightened securely to maintain stability during drilling operations. Avoid excessive tightening which could damage the threads.
Wet cutting
The adaptor is designed for use within wet diamond core drilling systems where water cooling is used during drilling.
What is a BSP to UNC core drill adaptor used for?
A BSP to UNC adaptor allows contractors to connect drilling equipment with different thread standards, ensuring compatibility between drilling motors, extensions and core drills.
What connection types does the AC-N66 convert?
The adaptor converts a ½" BSP female thread to a 1¼" UNC female connection used in professional core drilling systems.
Is this adaptor suitable for wet core drilling systems?
Yes. The adaptor is designed for wet diamond core drilling systems commonly used on construction and infrastructure projects.
When is a core drill adaptor required?
Adaptors are required when connecting drilling motors, extensions or core barrels that use different thread standards.
Why buy diamond core drilling accessories from CMT Group?
Buying diamond core drilling accessories from CMT Group provides contractors with reliable UK supply and consistent procurement for construction and infrastructure projects. The EDGE procurement platform helps manage tool purchasing across multiple sites while improving visibility of usage and costs.
CMT Group also supports contractors through SiteHive.ai automated stores and a dedicated UK fleet delivery network, helping ensure essential drilling equipment remains available on site while reducing operational downtime.
