Plastic Hose Barb Fittings with 3/8" Female Thread — Straight Tube Connector

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Plastic Hose Barb Fittings with 3/8" Female Thread — Straight Tube Connector

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size option: 4mm × 3&8"

QTY (pcs): 3

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$2.79 USD

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Plastic Hose Barb Fittings with 3/8" Female Thread — Reliable Straight Tube Connections for DIY & Irrigation

Dealing with leaky hose joints or struggling to find a compact straight connector that actually fits your tubing? Whether you're a homeowner setting up a drip irrigation system, a hobbyist building a water-cooling loop, or a technician routing air lines in a workshop, a poorly sized or low-quality barb fitting can mean constant drips and frustrating rework. These plastic hose barb fittings with 3/8" female thread are designed to give you a clean, secure connection the first time.

Each fitting is a straight barb-to-female-thread connector made from durable plastic (typically polypropylene or nylon-grade resin). The barb end accepts flexible tubing ranging from 4mm (≈5/32") to 16mm (≈5/8") inner diameter, while the threaded end features a standard 3/8" female thread for direct connection to male-threaded ports, valves, or manifolds. Available in packs of 3, 6, 15, or 30 pieces to suit both one-off repairs and larger installations.

These straight hose barb connectors are well-suited for garden drip irrigation tubing, aquarium and pond water lines, pneumatic air hose routing in light-duty systems, and DIY fluid transfer setups where a compact inline connector is needed. The barbed shank grips flexible tubing firmly, reducing the risk of pull-out under normal operating pressure.

ℹ️ Compatibility Note: Barb size must match your hose's inner diameter (ID). Thread standard is 3/8" female — verify BSP vs. NPT compatibility with your existing fittings before ordering.

✅ Key Features of These Plastic Hose Barb Fittings

🔩3/8" Female Thread Port — Connects directly to standard male-threaded valves, manifolds, and ports without adapters, simplifying your hose barb fitting installation.
📏Wide Size Range (4mm–16mm) — Seven barb diameters available to match common flexible tubing inner diameters, from narrow 4mm (≈5/32") irrigation micro-tubing up to 16mm (≈5/8") garden hose lines.
💧Barbed Shank Design — The ridged barb profile grips the inside of flexible tubing to create a pull-resistant, leak-resistant seal without requiring adhesive or special tools.
🏗️Lightweight Plastic Construction — Corrosion-free by nature, these plastic straight tube connectors won't rust or oxidize in wet environments, making them a practical choice for water and irrigation lines.
📦Flexible Pack Quantities — Order 3, 6, 15, or 30 pieces per pack. Stock up for multi-zone irrigation projects or grab a small pack for a quick repair — no need to buy more than you need.
🔧Tool-Free Push-On Installation — Simply push the barb end into compatible flexible tubing by hand. No crimping tools or special equipment required, making these fittings ideal for DIY hose connector projects.

📐 Technical Specifications — Plastic Straight Hose Barb Connectors

Fitting Type	Straight Hose Barb to Female Thread
Thread Size	3/8" Female (BSP or NPT — see variant; verify before ordering)
Barb Diameter Options	4mm (≈5/32"), 6mm (≈1/4"), 8mm (≈5/16"), 10mm (≈3/8"), 12mm (≈15/32"), 14mm (≈9/16"), 16mm (≈5/8")
Compatible Hose ID	Matches barb diameter — see size option above
Material	Plastic (polypropylene or nylon-grade resin — contact us to confirm)
Finish / Color	See variant options
Max Operating Pressure	Typically up to 60–100 PSI (low-to-medium pressure; contact us to confirm for your application)
Compatible Fluids	Water, air, non-corrosive fluids (not for fuels or solvents)
Pack Quantity	3 / 6 / 15 / 30 pcs (select above)
Installation Method	Push-on barb; thread end hand-tightened or wrench-tightened
Hose Clamp Required	Recommended for pressure >30 PSI or vibration environments

⚠️ Sizing Tip: Always measure your hose's inner diameter before selecting a barb size. A barb that is too small will not seal; one that is too large may split the hose end.

❓ Frequently Asked Questions

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

Match the barb diameter to your hose's inner diameter (ID). For example, a 4mm barb fits a hose with a 4mm ID, and an 8mm barb fits an 8mm ID hose. When in doubt, measure the inside of your hose with calipers. A slightly snug fit is generally preferred for a leak-resistant seal. In inches: 4mm ≈ 5/32", 6mm ≈ 1/4", 8mm ≈ 5/16", 10mm ≈ 3/8", 12mm ≈ 15/32", 14mm ≈ 9/16", 16mm ≈ 5/8".

What is the thread size on these fittings?

These fittings feature a 3/8" female thread. In most cases this is compatible with BSP or NPT male-threaded ports, but BSP and NPT threads are not interchangeable. Please verify the thread standard used in your system before ordering. If you are unsure, contact us to confirm.

What pressure can these plastic barb fittings handle?

Plastic hose barb fittings are generally rated for low-to-medium pressure applications, typically up to 60–100 PSI depending on the fluid, temperature, and whether a hose clamp is used. For high-pressure systems or elevated temperatures, contact us to confirm suitability before purchasing.

Are these fittings suitable for outdoor or irrigation use?

Yes. The plastic construction is generally resistant to moisture and mild UV exposure, making these fittings suitable for garden drip irrigation, outdoor water lines, and pond systems. Prolonged direct sunlight exposure may cause gradual material degradation over time, so shading or periodic inspection is recommended for permanent outdoor installations.

Can I use these fittings with both air and water lines?

These straight barb connectors are typically compatible with water, air, and other non-corrosive fluid lines at low-to-medium pressure. They are not recommended for use with fuels, solvents, or aggressive chemicals. Contact us to confirm compatibility with your specific application or fluid type.

Do I need a hose clamp with these fittings?

For low-pressure applications (generally under 30 PSI), the barb design alone typically provides a secure grip on flexible tubing. For higher-pressure or vibration-prone environments — such as pneumatic lines or pump outlets — using a hose clamp over the barb connection is generally recommended to prevent slippage or blowoff.

How many pieces come in each pack, and which should I choose?

These fittings are available in packs of 3, 6, 15, or 30 pieces. A 3-pack is ideal for a single repair or small project. A 6-pack suits a small irrigation zone or a few connection points. The 15- or 30-pack is cost-effective for multi-zone drip systems, workshop plumbing runs, or keeping spares on hand.

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Plastic Hose Barb Fittings with 3/8" Female Thread — Straight Tube Connector

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Beschreibung

Plastic Hose Barb Fittings with 3/8" Female Thread — Reliable Straight Tube Connections for DIY & Irrigation

✅ Key Features of These Plastic Hose Barb Fittings

📐 Technical Specifications — Plastic Straight Hose Barb Connectors

❓ Frequently Asked Questions

Plastic Hose Barb Fittings with 3/8" Female Thread — Straight Tube Connector

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