🌍 Worldwide shipping · 30-day returns · Rated Excellent on Trustpilot ★★★★½
Price
$25.99
PrecisionGeek Orange Aluminium Push‑On Barb Hose Fitting 1/8″ NPT → 4–5 mm – DIY Fluid, Pneumatic & Coolant Tubing Adapter — image 1
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PrecisionGeek Orange Aluminium Push‑On Barb Hose Fitting 1/8″ NPT → 4–5 mm – DIY Fluid, Pneumatic & Coolant Tubing Adapter

$25.99

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3 available
Color: Orange
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About this item
  • 📏 Full Dimensions: 1/8″ NPT male thread to 4–5 mm (3/16″) hose barb – precision CNC machining.
  • Single Adapter Supplied: Includes one high-precision fitting ideal for fluid, pneumatic, coolant, or air tubing use.
  • Premium Aluminium Build: CNC-machined from quality-grade aluminium with durable orange anodised finish—no rust or corrosion.
  • Push-On Hose Connection: Easy-to-fit secure barb connection ensures tight seal without tools or clamps.
  • Wide DIY Compatibility: Perfect for DIY projects, automotive/cycling fluid systems, pneumatic kits, aquarium lines, airbrush piping.
  • Leak-Free Design: Tapered NPT fitting conforms to ANSI/ASME B1.20.1; use thread sealant for reliable, leak-free joints.
  • 🇪🇺 Produced in EU: Fabricated entirely in-house on CNC machinery in the EU, ensuring consistent quality and traceability.
Product description

Improve the reliability and appearance of your fluid or pneumatic systems with the PrecisionGeek Orange Aluminium Push‑On Barb Hose Fitting (1/8″ NPT → 4–5 mm). Expertly CNC-machined from quality-grade aluminium and anodised in vibrant orange, this fitting offers both durability and corrosion resistance. The threaded 1/8″ NPT male end connects securely to standard NPT ports (ANSI/ASME B1.20.1 taper thread), while the 4–5 mm (3/16″) push-on barb allows for rapid tube installations without clamps. Its compact ~37 mm size is ideal for setups involving coolant lines, pneumatic rigs, airbrush equipment, aquarium plumbing, or DIY fluid kits. Precision-engineered for leak-free performance (use with thread sealant), it ensures a strong connection under pressure. Supplied as a single adapter, it’s a versatile component for hobbyists, technicians, or professionals. Proudly produced in the EU in-house on CNC lathes, this fitting guarantees consistent specification control, reliability, and traceability. Add this fitting to your toolkit for easy, secure, and stylish fluid connections. 1/8 NPT to 4mm - 5mm (I.D of your hose) push on barb straight connector from NPT to barb Easy connection of your hose to NPT fittings. Prduct Spec: 1/8 NPT to 4mm-5mm (I.D of your Hose) Male to Male Union Connector CNC Machined to highest engineering standards Tight Secure & Leak Free Connection Check our Shop for more precision engineered products

Product details
Brand
PrecisionGeek
Manufacturer
MAAD Precision Engineering
Material
Aluminium
Colour
Orange
Size
1/8npt to 3/16 barb
Model number
1/8 NPT to 4mm-5mm
Part number
3456
EAN
9145365438356

Customer reviews

What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
Excellent
4.5 average rating
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S
Sigalit
🇮🇱 · January 2026

I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
🇦🇺 · November 2025

The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 12 of 10 reviews

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