

Internal Bending Spring 3/4" O.D Tube Plumbworx
Plumbworx
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Features
Overview
The Plumbworx Internal Bending Spring 3/4" O.D Tube is a precision tool for creating smooth, kink-free bends in soft copper, aluminium, or thin-walled tubing. Inserted inside the tube, it supports the wall during bending to prevent flattening, creasing, or collapse – essential for clean 90° or custom bends in plumbing, refrigeration, gas lines, or HVAC installations without needing a powered bender.
Why You’ll Love It
- Prevents kinks and wrinkles for professional, leak-free bends
- Easy insertion and removal with the attached pulling ring or wire loop
- Compact and portable for on-site or workshop use
Built for Real Work
High-quality spring steel is tightly wound for firm internal support while remaining flexible to follow the bend path. The 3/4" O.D size suits standard soft copper tube (common in larger plumbing and refrigeration lines), with a smooth surface to avoid scratching the tube interior. Tough and reusable for repeated bends on jobs like installing water supply lines, gas pipes, or air conditioning systems – a simple, effective solution for plumbers and installers who need reliable results without expensive mandrel equipment.
Perfect For
- Plumbers bending copper pipe for water, gas, or drainage installs
- Refrigeration and HVAC techs making clean bends in soft tubing
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