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5/8 inch Flare Nut

High Precision Brass Flare Nut for AC & Refrigeration Systems

5/8 inch Flare Nut

High Precision Brass Flare Nut for AC & Refrigeration Systems

5/8 inch Flare Nut

High-precision brass flare nut for secure, leak‑proof connections in AC and refrigeration copper tubing lines.

The 5/8 inch Flare Nut is a crucial component used for secure and leak-proof pipe connections in air conditioning (AC), refrigeration, and plumbing systems. It is widely used for connecting copper tubing, ensuring a strong and reliable mechanical joint without the need for welding.

Key Features

Customization available
  • Leak‑proof connection with 45‑degree flared copper pipe
  • Easy installation (no welding required)
  • Durable under pressure and temperature variations
  • Reusable design for maintenance‑friendly servicing

Material

High‑quality Brass (strength & corrosion resistance)

Size

5/8 inch (refers to outer diameter of the tube)

Thread

Internal threading for precise flare fitting compatibility

Compatibility

Suitable for standard copper tubing systems (45‑degree flare)

Applications

Where this product is commonly used — from standard assemblies to custom requirements.

HVACRefrigerationGas LinesHigh‑Pressure Lines

Air Conditioning & Refrigeration

  • Used in split air conditioners to connect copper pipes between indoor and outdoor units.
  • 5/8" size is typically used for the suction line (larger pipe) in 1.5 ton to 2 ton AC systems.

Gas Pipeline Connections

  • Suitable for LP gas and other fuel gas pipelines, providing a safe and leak‑proof connection.

High‑Pressure Lines

  • Ideal where welding or brazing is not feasible—enables secure mechanical connections with easy serviceability.

Why Choose This Product?

Built for accurate fitment, consistent finishing, and reliable performance in real‑world applications.

Benefits

  • Precision‑engineered for accurate fitting
  • Manufactured using premium‑grade brass
  • Excellent performance in HVAC and gas applications
  • Reliable quality with consistent finishing

Technical Specifications

Standard technical information. Custom specs are available on request.

Size

5/8 inch (refers to outer diameter of the tube)

Material

High‑quality Brass (strength & corrosion resistance)

Thread Type

Internal threading for precise flare fitting compatibility

Compatibility

Suitable for standard copper tubing systems (45‑degree flare)

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High-quality brass tube fitting designed to create secure, leak‑proof connections in AC/refrigeration, gas lines, automotive and hydraulic systems.

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Widely used brass flare nut for secure copper tubing connections in HVAC, refrigeration, gas pipelines, and hydraulic lines.

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5/16" UNF Flare Nut (Brass)

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Precision-engineered brass flare nut with fine UNF threads for secure, leak‑proof copper tubing connections in HVAC, automotive, gas, and hydraulic use.

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Need Custom Brass Components?

We can manufacture components as per your drawings and specifications. Contact us for a free quotation.

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