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Description
A-Style Range · Pneumatic Fittings · UK Stock
A-Style Adaptor
Female Thread RP 1/4" BSP
Precision-Machined Brass · Leak-Free Performance · Trade Grade
Overview
The component that holds your air system together — machined to hold, sealed to last.
This A-Style Female Thread Adaptor with RP 1/4" BSP threading is the definitive interface between your air line hose and A-style quick-release coupling. Precision-machined from high-grade brass, it delivers a gas-tight seal under sustained working pressure — eliminating the micro-leaks that quietly drain compressor efficiency and inflate energy costs. Whether you're fitting out a professional workshop, maintaining a fleet garage, or building a production-line air circuit, this adaptor provides the reliable, repeatable connection that trade environments demand.
Key Features
Precision Brass Construction
CNC-machined from high-grade brass for dimensional accuracy, corrosion resistance, and long service life in demanding workshop environments.
Leak-Free Seal
RP parallel thread profile ensures a consistent, pressure-tight seal — no thread tape required when used with a compatible sealing washer or O-ring.
Instant A-Style Compatibility
Engineered to accept all standard A-style quick-release couplings — the most widely used coupling series in UK professional workshops.
Tool-Ready Installation
Hex-body design allows clean spanner engagement for torque-controlled installation — no slipping, no damage to the fitting body.
Compatibility Note
Designed for use with all A-style quick-release couplings and compatible air line hose assemblies. RP 1/4" BSP (parallel) thread — verify your port thread type before ordering. Not compatible with BSPT (tapered) threaded ports without an appropriate adaptor.
Technical Specifications
| Coupling Series | A-Style (Standard UK Workshop) |
| Connection Type | Female Thread Adaptor |
| Thread Size | RP 1/4" BSP (Parallel) |
| Material | Precision-Machined Brass |
| Thread Standard | BSP — British Standard Pipe |
| Body Profile | Hex for Spanner Engagement |
| Finish | Natural Brass |
| SKU | air_comp572 |
| Barcode | AC015014875360270 |
Typical Applications
- Professional workshop air lines
- Fleet maintenance facilities
- Industrial production circuits
- Tyre inflation stations
- Spray painting rigs
- Pneumatic tool connections
- Air compressor outlet ports
- Manifold and distribution boards
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