Professional wet diamond core drill adaptor designed to convert 1½" BSP male connections to 1¼" UNC male fittings used on UK construction and core drilling systems.
• 1½" BSP male to 1¼" UNC male adaptor
• Converts BSP to UNC core drilling connections
• For wet diamond core drilling systems
• Precision-machined threaded connections
• Durable steel construction
• Suitable for professional construction drilling
• Compatible with standard core drilling equipment
Wet Diamond Core Drill Adaptor – 1½" BSP Male to 1¼" UNC Male – OTEC AC-N65
Professional wet diamond core drill adaptor designed to convert 1½" BSP male connections to 1¼" UNC male fittings used on UK construction and core drilling systems.
• 1½" BSP male to 1¼" UNC male adaptor
• Converts BSP to UNC core drilling connections
• For wet diamond core drilling systems
• Precision-machined threaded connections
• Durable steel construction
• Suitable for professional construction drilling
• Compatible with standard 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 – 1½" BSP Male to 1¼" UNC Male – OTEC AC-N65 is designed to connect drilling components that require different thread standards within professional diamond core drilling setups.
The adaptor allows contractors to convert equipment with 1½" 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 ensures a stable and secure connection during drilling operations while maintaining proper 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 – OTEC D17P
| Specification | Details |
|---|---|
| Product Name | Wet Diamond Core Drill Adaptor – 1½" BSP Male to 1¼" UNC Male – OTEC AC-N65 |
| Product Code | AC-N65 |
| Product Type | Diamond core drill adaptor |
| Connection Type | 1½" BSP male to 1¼" UNC male |
| Primary Application | Connecting core drilling components |
| 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 – 1½" BSP Male to 1¼" UNC Male – OTEC AC-N65 is suitable for:
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Converting BSP to UNC drilling connections
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Diamond core drilling system setup
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Construction and infrastructure drilling
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Electrical, plumbing and installation drilling
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RECOMMENDED USE – ADAPTOR APPLICATIONS
| 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
Check that both threaded connections are clean and undamaged. Confirm compatibility between drilling motor and core drill connections before installation.
During use
Securely tighten both threaded connections to ensure stable drilling performance. Avoid excessive force that could damage the threads.
Wet cutting
The adaptor is designed to operate 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 that uses different thread standards. It ensures compatibility between core drilling motors, extensions and diamond core drills.
What connection types does the AC-N65 convert?
The adaptor converts a 1½" BSP male thread to a 1¼" UNC male connection, commonly used in professional core drilling systems.
Is this adaptor suitable for wet core drilling systems?
Yes. The adaptor is designed for use within wet diamond core drilling systems used on construction and infrastructure projects.
When is a core drill adaptor typically required?
Core drill adaptors are used 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 gives contractors reliable UK supply and consistent procurement for construction and infrastructure projects. Through the EDGE procurement portal and SiteHive.ai automated stores, site teams can manage tool usage and stock more efficiently.
CMT Group also supports contractors with a dedicated UK fleet delivery network, helping ensure essential drilling equipment remains available on site while reducing downtime.
