A 1/4″ to 3/8″ tube bender is a specialized, often 3-in-1, manual tool used to create precise, kink-free bends up to 180° in soft copper, aluminum, brass, and thin-walled steel tubing. It is primarily used in HVAC installation, refrigeration repair, automotive fuel lines and hydraulic/ pneumatic system maintenance.
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Key Uses and Applications:
- HVAC and Refrigeration: Bending lines for split systems, air conditioning units, heat pumps, and refrigerators.
- Automotive: Shaping fuel, brake, and transmission lines.
- Plumbing: Handling small-diameter supply lines and soft copper piping.
- Industrial: Making precise bends in hydraulic and pneumatic control systems
Features:
- Sizes: Typically accommodates 1/4″, 5/16″, and 3/8″ outside diameter (O.D.) tubing, with some 3-in-1 models including 1/2″.
- Angles: Allows for precise angles between 0-180 degrees, often marked for accurate 45° or 90° bends.




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