G1/2 SelfLocking Pneumatic Coupler

A professional-grade 2-way pneumatic quick coupler with G1/2 BSP male thread, fabricated from carbon steel for sustained mechanical performance. Overall length approx. 85 mm; weight approx. 320 g. Validated for use at pressures up to 1.0 MPa and temperatures ranging from 10°C to 60°C. Integrates automatic self-locking action and full 360° rotational capability to support agile air tool deployment and minimise hose-related wear. Fully compatible with G1/2 female couplings used across UK automotive, general engineering and ARO-aligned pneumatic systems. The self-locking system operates purely mechanically — no batteries, sensors or consumables — ensuring zero maintenance and consistent behaviour over years of use. The 360° swivel joint is sealed against dust and moisture ingress while permitting free rotation, preserving hose geometry and reducing drag during mobile operations. Carbon steel construction delivers proven resistance to dents, scratches and thread wear — key for shared-equipment environments where couplers undergo frequent handling and environmental exposure. Used extensively by UK franchised dealerships for multi-brand vehicle servicing, by facilities managers maintaining building services air systems, and by contract engineers supporting mixed-brand industrial equipment. Its design philosophy prioritises functional fidelity over cosmetic features — every element serves a documented operational need, from thread pitch accuracy to rotational smoothness — making it a trusted component rather than a disposable accessory.