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Adapter (1/2" Bsp M To 1 1/4" Unc M) - Atlas Copco No. 3378 5120 64

Adapter (1/2" Bsp M To 1 1/4" Unc M) - Atlas Copco No. 3378 5120 64
Adapter (1/2" Bsp M To 1 1/4" Unc M) - Atlas Copco No. 3378 5120 64
Part No.
3378 5120 64
In stock
Dispatched today if ordered before 4pm
Dispatched next working day

£95.14 £79.28
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Description

Overview:
The Atlas Copco Adapter converts a 1/2 inch BSP male thread (12.7 mm) to a 1 1/4 inch UNC male thread (31.75 mm), allowing parts with different standards to be joined securely. It is a Genuine Atlas Copco part (OEM No. 3378 5120 64), engineered for dependable service in construction and garden machinery. Made from robust, precision-machined metal, it is suitable for demanding workshop and on-site use where reliability matters. This male-to-male adaptor helps link tools, hoses, and accessories across BSP and UNC interfaces commonly found on industrial equipment, compressors, pumps, and handheld machinery. Its straightforward form factor supports quick fitting and removal, helping keep downtime low during maintenance and repairs.

Key Features:
- Genuine Atlas Copco spare part for assured fit and function (OEM No. 3378 5120 64)
- Converts 1/2 inch BSP M (12.7 mm) to 1 1/4 inch UNC M (31.75 mm)
- Precision-machined metal construction for strength and repeatable connections
- Durable finish suitable for workshop and site environments
- Male-to-male design simplifies pairing of mismatched threads
- Helps extend the service life of existing tools by enabling cross-standard connections
- Compact profile to minimise added length in tight assemblies
- Easy to install and remove with standard spanners; no special tools typically required
- Stable under vibration and torque loads typical of heavy-duty equipment
- Clear OEM reference supports correct identification and stocking

Typical Applications:
Used to connect equipment and accessories that use different thread standards during servicing, retrofitting, or temporary setups. Common in maintenance of compressors, pumps, pneumatic and hydraulic assemblies, water feed lines, and general workshop jigs. Suitable for construction tools and garden machinery where 1/2 inch BSP fittings need to interface with 1 1/4 inch UNC threaded components.

Also known as:
Thread adaptor, thread reducer/increaser, male-to-male adaptor, UNC/BSP converter, thread coupling, connector, fitting coupler, conversion adaptor, cross-thread adaptor.

Alternate Part Numbers:
3378512064

Product Specifications

More Information
L&S Part No. 3378 5120 64
Part Type Genuine Part
Manufacturer Atlas Copco
OEM No. 3378512064
Unit of Sale 1
Machine Type Handheld Construction Tools
Fits Brands Atlas Copco

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