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Description
Precision Pneumatic Fittings · UK Stock
Coned Tailpiece — 7.9mm (5⁄16″) I/D Hose Barb
with Rp 1⁄4″ Union Nut
Professional-grade hose barb fitting for compressed air systems and pneumatic tool connections
A workshop-grade coned tailpiece engineered for reliable, leak-free connections in professional compressed air systems. Designed for 7.9mm (5⁄16″) internal diameter hose and paired with an Rp 1⁄4″ union nut for a secure, pressure-rated seal.
Precision Coned Barb Profile
The tapered barb geometry creates a progressive grip on the hose wall, ensuring a secure, pull-resistant connection that maintains integrity under sustained air pressure.
Corrosion-Resistant Construction
Manufactured from a corrosion-resistant alloy suited to workshop environments — resistant to moisture, oils, and the contaminants common in compressed air systems.
Rp 1⁄4″ Union Nut Compatibility
Designed to work with a standard Rp 1⁄4″ (BSPP) union nut, enabling a leak-free threaded connection to regulators, manifolds, and air tool inlets.
Exact 7.9mm (5⁄16″) Bore Match
Sized precisely for 5⁄16″ internal diameter hose — the most common bore in professional workshop air lines — ensuring a flush, unrestricted airflow path.
This tailpiece is designed for use with 7.9mm (5⁄16″) internal diameter rubber or PVC air hose. It requires an Rp 1⁄4″ union nut (included) to complete the connection. Ensure the mating port or fitting is threaded to Rp 1⁄4″ (BSPP) standard. For 9.5mm (3⁄8″) hose, see our Coned Tailpiece 9.5mm range. For Rp 3⁄8″ thread applications, see our 7.9mm × Rp 3⁄8″ variant.
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