📅 Company holidays from July 24 through August 9, 2026 – orders are still welcome.
Since 1897
Precision Since 1897
NIQUA manufactures precision tools for goldsmiths, stone setters and jewellery makers. Professionals in more than 140 countries trust tools made in Germany and Switzerland.
🚚 Shipping: Worldwide shipping available
💳 Payment: Credit Card · PayPal · Klarna · Apple Pay · Google Pay
🌍 Note: Customs duties and import taxes may apply for deliveries outside the EU
NIQUA®-SHOP
08 300 015 NIQUA Union Nut for Compressor Air Hose – Brass
The NIQUA Union Nut for Compressor Air Hoses ensures a secure and airtight connection between the air hose and compressed air coupling. Manufactured from solid brass, this fitting offers excellent corrosion resistance, durability, and reliable performance even under regular workshop use.
Thanks to its precision-machined design, the union nut allows quick and easy installation while ensuring a stable and leak-free connection. It maintains consistent air pressure and prevents air loss, even with frequent connection and disconnection or fluctuating pressure loads.
Ideal for compressed air systems, engraving machines, and pneumatic workshop tools, this robust component provides a dependable solution for maintenance, repairs, or system upgrades.
Perfect fit for compressor air hoses – secure and stable connection Corrosion-resistant, durable brass construction Excellent sealing performance to minimize air loss Reliable even with frequent coupling and uncoupling Quick and easy replacement during maintenance or repairs
Be the first to hear about new collections and exclusive offers.
Never miss an update again!
Get insider access to product innovations, special promotions, and expert tips – all about premium tools for professional jewellery making, delivered straight to your inbox.
✅ Exclusive deals
✅ First look at new products
✅ Expert knowledge & inspiration
Sign up now and become part of the NIQUA family!
Choosing a selection results in a full page refresh.