Cross Barb Hose Tail Fitting — 4-Way Connector for Air, Water & Fuel Lines | Brass or Stainless Steel A2

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Cross Barb Hose Tail Fitting — 4-Way Connector for Air, Water & Fuel Lines | Brass or Stainless Steel A2

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Size(OD): 4mm

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Cross Barb Hose Tail Fitting — Reliable 4-Way Connection for Air, Water & Fluid Lines

When a standard T-connector just isn't enough, DIYers, plumbers, and workshop technicians reach for a cross barb hose tail fitting. Whether you're routing compressed air to multiple tools, splitting a water line to irrigation zones, or building a custom fluid distribution system, a loose or mismatched connector is the fastest way to a frustrating leak. These 4-way cross barb connectors are built to give you a secure, repeatable push-on fit across a wide range of hose sizes and materials.

Each listing covers a single cross barb fitting — a 4-port connector with equal-diameter barbed ends on all four arms. Available in Brass and Stainless Steel A2, with outer diameter (OD) sizes ranging from 4mm (≈5/32") to 25mm (≈1"). Order in quantities of 1, 3, 5, or 10 pieces to match your project scale. All barb ends are sized to metric hose inner diameters for a snug, clamp-ready fit.

These cross barb fittings are a go-to solution for compressed air distribution in garage workshops, garden irrigation manifold builds, and automotive coolant or vacuum line repairs — anywhere you need to split or join four flexible hose runs cleanly and without threading.

🔗 Compatibility: Designed for standard metric flexible hoses (silicone, PVC, rubber). Barb OD matches hose ID — select the size equal to your hose's inner diameter. Use hose clamps for pressurized systems.

✅ Key Features of These Cross Barb Hose Tail Fittings

➕True 4-Way Cross Design — Four equal barbed ports allow you to split or join hose runs in a single fitting, eliminating the need for multiple T-connectors in cross-flow layouts.
🔩Dual Material Options — Choose Brass for cost-effective performance in air and freshwater systems, or Stainless Steel A2 for corrosion-resistant durability in outdoor and demanding environments.
📐Wide Size Range — Available in 10 OD sizes from 4mm to 25mm, covering the most common metric flexible hose inner diameters used in DIY, plumbing, and automotive applications.
🛡️Barbed Grip Profile — The ridged barb geometry bites into the hose wall to resist pullout, creating a mechanically secure connection that holds under vibration and moderate pressure when clamped.
📦Flexible Quantity Packs — Order 1, 3, 5, or 10 pieces to suit single repairs or multi-point installations, reducing waste and letting you stock exactly what your project needs.
⚙️No Threading Required — Push-on installation means no pipe dies, no thread tape, and no special tools — just slide the hose over the barb and secure with a clamp for a leak-resistant joint.

📐 Technical Specifications — Cross Barb Hose Tail Fitting

Fitting Type	4-Way Cross Barb Hose Tail Connector
Material Options	Brass / Stainless Steel A2 (304)
Barb OD Sizes Available	4mm, 6mm, 8mm, 10mm, 12mm, 13mm, 16mm, 19mm, 20mm, 25mm
Approximate Inch Equivalents	4mm ≈ 5/32" \| 6mm ≈ 1/4" \| 8mm ≈ 5/16" \| 10mm ≈ 3/8" \| 12mm ≈ 1/2" \| 16mm ≈ 5/8" \| 19mm ≈ 3/4" \| 25mm ≈ 1"
Number of Ports	4 (cross / + configuration)
Connection Method	Push-on barb; hose clamp recommended for pressurized use
Compatible Hose Types	Flexible metric hoses: silicone, PVC, rubber (ID = barb OD)
Typical Applications	Air lines, water distribution, irrigation, coolant, vacuum lines
Working Pressure	See variant options — depends on hose, clamp, and fluid type
Surface Finish	Brass: natural machined finish; Stainless Steel A2: brushed
Pack Quantities	1 pcs / 3 pcs / 5 pcs / 10 pcs
Country of Origin	Contact us to confirm

⚠️ Size Note: The OD listed is the outer diameter of the barb, which should match the inner diameter (ID) of your hose. If you're unsure, measure your hose ID before ordering or contact us to confirm fit.

❓ Frequently Asked Questions

How do I choose the right OD size for my hose?

Measure the inner diameter (ID) of your hose. The barb OD should typically match or be slightly larger than the hose ID to create a secure, leak-resistant seal. For example, a 6mm OD barb generally fits a 6mm ID hose. When in doubt, size up and use a hose clamp. Common conversions: 6mm ≈ 1/4", 8mm ≈ 5/16", 10mm ≈ 3/8", 12mm ≈ 1/2", 16mm ≈ 5/8", 19mm ≈ 3/4", 25mm ≈ 1".

What pressure can these cross barb fittings handle?

Working pressure depends on hose material, clamp type, and fluid temperature. Brass barb fittings generally handle low-to-medium pressure applications (typically up to 150 PSI in water service). Stainless Steel A2 variants offer higher corrosion resistance and are suitable for similar or slightly elevated pressure ranges. Always verify with your system specifications and use appropriate hose clamps for pressurized lines.

Can I use these fittings outdoors or in wet environments?

Stainless Steel A2 variants are well-suited for outdoor and humid environments due to their corrosion resistance. Brass fittings perform well in most indoor plumbing and pneumatic applications but may show surface oxidation over time in highly corrosive or saltwater environments. For marine or chemical exposure, Stainless Steel A2 is generally the better choice.

Are these fittings compatible with standard metric hoses?

Yes. The OD sizes listed (4mm, 6mm, 8mm, 10mm, 12mm, 13mm, 16mm, 19mm, 20mm, 25mm) correspond to standard metric hose inner diameters. These fittings are designed for push-on or clamp-secured metric flexible hoses used in air, water, and fuel systems across DIY, automotive, and plumbing applications.

Do I need hose clamps with these barb fittings?

For low-pressure or gravity-fed systems, a push-on fit may be sufficient. For pressurized air or water lines, using hose clamps is strongly recommended to prevent blowoff and ensure a leak-free connection. Standard worm-drive or spring clamps work well with these barb fittings.

What is the difference between brass and stainless steel A2 for these fittings?

Brass offers excellent machinability, good corrosion resistance in freshwater and air systems, and is generally more cost-effective. Stainless Steel A2 (304 grade) provides superior corrosion resistance, making it suitable for outdoor, food-adjacent, or chemically exposed environments. Choose brass for standard DIY and plumbing tasks; choose stainless for demanding or outdoor applications.

Can these fittings be used for fuel lines?

Brass barb fittings are commonly used in low-pressure fuel line applications (gasoline, diesel) in automotive and small engine contexts. Always confirm compatibility with your specific fuel type and system pressure. Stainless Steel A2 is generally not recommended for fuel systems without verifying chemical compatibility with your fuel.

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Cross Barb Hose Tail Fitting — 4-Way Connector for Air, Water & Fuel Lines | Brass or Stainless Steel A2

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Beschreibung

Cross Barb Hose Tail Fitting — Reliable 4-Way Connection for Air, Water & Fluid Lines

✅ Key Features of These Cross Barb Hose Tail Fittings

📐 Technical Specifications — Cross Barb Hose Tail Fitting

❓ Frequently Asked Questions

Cross Barb Hose Tail Fitting — 4-Way Connector for Air, Water & Fuel Lines | Brass or Stainless Steel A2

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