Straight Hose Barb Fittings – Brass & Stainless Steel A2, 6mm–41mm OD

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Straight Hose Barb Fittings – Brass & Stainless Steel A2, 6mm–41mm OD

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Length: Brass

Size(OD): 6mm

Amount: 1 pcs

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$3.47 USD

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In stock (500 units), ready to be shipped

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Straight Hose Barb Fittings — Reliable Connections for Air, Water & Fuel Lines

Leaking hose connections are one of the most frustrating problems in any plumbing, pneumatic, or fluid transfer setup. Whether you're a DIYer routing garden irrigation, a mechanic repairing a coolant line, or a workshop operator maintaining air compressor hoses, a poorly fitted connector can mean downtime, water damage, or safety hazards. These straight hose barb fittings are built to give you a secure, leak-resistant connection the first time.

Each fitting is a single-piece straight barb connector available in two materials — Brass and Stainless Steel A2 (304) — with outer diameter (OD) sizes ranging from 6mm (≈1/4") to 41mm (≈1-5/8"). You can purchase in quantities of 1, 3, 5, or 10 pieces per order to match your project scale. The ribbed barb profile grips the inner wall of flexible hose tubing, creating a friction-fit seal that holds under pressure.

These straight hose barb fittings are well suited for garden irrigation systems and drip line repairs, automotive coolant and fuel hose connections, and workshop air compressor hose routing. Their compact straight-through design makes them a go-to choice for anyone searching for a brass hose barb connector for water lines or a stainless steel air hose fitting for compressors.

🔗 Compatibility Note: Match the barb OD to your hose's inner diameter (ID) for a proper seal. These fittings are designed for flexible hose tubing. Confirm your hose ID before selecting a size. See variant options for available OD sizes.

✅ Key Features of These Straight Hose Barb Fittings

🔩Ribbed Barb Profile — The multi-rib barb design grips the hose inner wall firmly, reducing the risk of pull-out under pressure in air line and water hose applications.
⚙️Two Material Options — Choose brass for general-purpose water, air, and fuel lines, or Stainless Steel A2 (304) for corrosion-resistant performance in outdoor and food-grade hose fitting applications.
📏Wide Size Range — Available in 16 OD sizes from 6mm (≈1/4") to 41mm (≈1-5/8"), covering most standard flexible hose inner diameters used in DIY and light industrial settings.
💧Straight-Through Flow Path — The inline straight design minimizes flow restriction, making these fittings effective for hose-to-hose splicing and fluid transfer line repairs.
🛡️Machined Construction — Each fitting is machined for dimensional consistency, ensuring a repeatable fit across hose batches — important for irrigation system repairs and multi-line pneumatic setups.
📦Flexible Pack Sizes — Order 1, 3, 5, or 10 pieces to match your project needs, whether you're making a single repair or stocking up for ongoing maintenance of air compressor hose fittings.

📐 Technical Specifications — Straight Hose Barb Fittings

Fitting Type	Straight Hose Barb Connector
Material Options	Brass / Stainless Steel A2 (304)
Available OD Sizes	6mm (≈1/4"), 8mm (≈5/16"), 10mm (≈3/8"), 12mm (≈1/2"), 14mm (≈9/16"), 16mm (≈5/8"), 18mm (≈11/16"), 19mm (≈3/4"), 20mm (≈13/16"), 22mm (≈7/8"), 24mm (≈15/16"), 26mm (≈1"), 28mm (≈1-1/8"), 34mm (≈1-3/8"), 38mm (≈1-1/2"), 41mm (≈1-5/8")
Compatible Hose Type	Flexible hose tubing (match barb OD to hose ID)
Connection Style	Push-on barb (hose clamp recommended for pressure applications)
Finish — Brass	Natural brass (yellow)
Finish — Stainless Steel	Brushed / natural A2 (304)
Pack Quantities	1 pcs / 3 pcs / 5 pcs / 10 pcs
Typical Applications	Water lines, air lines, fuel hose, irrigation, coolant hose
Country of Origin	See variant options

⚠️ Sizing Tip: The OD listed refers to the outer diameter of the barb, which should match the inner diameter (ID) of your hose. If you are unsure, measure your hose ID with calipers before ordering. Contact us to confirm compatibility for your specific application.

❓ Frequently Asked Questions

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

Match the OD (outer diameter) of the barb to the inner diameter (ID) of your hose. For example, a 6mm (≈1/4") barb is typically used with hose that has a 6mm ID. When in doubt, size down slightly — a snug fit creates a better seal. Confirm your hose ID before ordering.

What pressure can these hose barb fittings handle?

Brass barb fittings generally handle working pressures up to 150 PSI for water and air applications when used with properly sized hose and clamps. Stainless Steel A2 variants typically offer similar or slightly higher pressure ratings. Always verify with your specific hose and clamp combination.

Can I use these fittings outdoors or in wet environments?

Stainless Steel A2 fittings are generally suitable for outdoor and damp environments due to their corrosion resistance. Brass fittings perform well indoors and in moderate-humidity settings but may show surface oxidation over time in harsh outdoor conditions. For marine or highly corrosive environments, consider A4 (316) stainless steel.

Are these fittings compatible with standard hose clamps?

Yes. These straight barb fittings are designed to work with standard worm-drive or spring hose clamps. Select a clamp sized to fit over the hose OD after it is seated on the barb. The ribbed barb profile helps retain the hose even without a clamp in low-pressure applications.

What fluids are these fittings compatible with?

Brass fittings are generally compatible with water, air, and many petroleum-based fuels. Stainless Steel A2 fittings are typically compatible with water, air, mild chemicals, and food-grade applications. Avoid using brass with ammonia-based fluids or strong acids. Confirm chemical compatibility for your specific fluid before use.

Should I use thread sealant or PTFE tape with these fittings?

These are barb-style fittings that connect to flexible hose — they do not use threaded connections on the barb end. No PTFE tape is needed on the barb itself. If the fitting has a threaded end on the opposite side (depending on variant), applying PTFE tape to that thread is recommended for a leak-free seal.

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

Brass is easier to machine, slightly softer, and generally lower cost — a solid choice for indoor plumbing, air lines, and fuel systems. Stainless Steel A2 (304) offers better corrosion resistance, higher strength, and is preferred for food-grade, outdoor, or chemically demanding applications. Both are widely used in DIY and light industrial settings.

🛒 Select your material, size, and quantity above, then add to cart — ships from our US warehouse.

Straight Hose Barb Fittings – Brass & Stainless Steel A2, 6mm–41mm OD

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Description

Straight Hose Barb Fittings — Reliable Connections for Air, Water & Fuel Lines

✅ Key Features of These Straight Hose Barb Fittings

📐 Technical Specifications — Straight Hose Barb Fittings

❓ Frequently Asked Questions

Straight Hose Barb Fittings – Brass & Stainless Steel A2, 6mm–41mm OD

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