Copper Tube Pipe Expander Set 5/6/11 PC – Hex Shank AC Tool

Copper Tube Pipe Expander Set – Professional Swaging & Flaring Tool for Air Conditioner Repair

Make AC installation and copper pipe repair faster and easier with the Zimir Copper Tube Pipe Expander Set. Available in 5, 6, or 11-piece configurations, this hex shank expander kit is engineered for HVAC technicians and handy DIYers who need reliable, precision pipe swaging without breaking a sweat. Simply chuck it into your hand electric drill and expand copper tubing to connect two pipes seamlessly — no specialist training required.

Made in Mainland China.

Why You'll Love This Pipe Expander Set

• High-Quality #45 Steel Construction: Heat-treated through high-temperature quenching for exceptional hardness, durability, and long service life — even under repeated heavy use.
• 6 Standard Sizes Covered: Handles the most common copper pipe diameters — 1/4" (6.3mm), 3/8" (9.5mm), 1/2" (12.7mm), 5/8" (15.9mm), 3/4" (19mm), and 7/8" (22.2mm) — so you're ready for virtually any HVAC or plumbing job.
• Drill-Ready Hex Shank: Features a 1/4" hex (or triangle) shank that fits standard electric drills for fast, effortless pipe expansion with minimal physical effort.
• Smooth, Precise Expansion: Specially engineered taper geometry ensures clean, uniform pipe flaring every time — helping you achieve leak-free, secure connections on copper tubing.
• Versatile Application: Ideal for air conditioner installation, HVAC pipe repair, plumbing swaging, and general metalworking tasks at home or on the job site.
• Complete & Convenient Kit: Multiple piece count options mean you can choose the set that best matches your needs and budget.

Specifications

How to Use

1. Select the correct expander head for your copper pipe diameter.
2. Insert the hex shank into your hand electric drill and tighten securely.
3. Align the expander tip with the end of the copper tube.
4. Run the drill at low-to-medium speed, applying steady forward pressure to expand the pipe end.
5. Connect your two copper pipes together for a secure, seamless fit.

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Safety & Standards Reference

When working with HVAC systems and refrigerant lines, always follow safe tool handling practices. For guidance on tool safety and hand tool injury prevention, visit the OSHA Hand & Power Tools Safety Resource.

Frequently Asked Questions

Q: What type of drill is compatible with this copper tube pipe expander?

A: This pipe expander set is designed to fit any standard hand electric drill with a 1/4" hex chuck or a triangle shank chuck. It is NOT intended for manual use — a power drill is required for optimal performance and efficient pipe expansion.

Q: Can this pipe expander be used on materials other than copper tubing?

A: This tool is primarily designed for copper pipe swaging and expansion, which is the most common requirement in air conditioner installation and HVAC repair. While the hardened #45 steel construction is robust, it is best suited for soft metals like copper. Using it on harder materials may reduce its lifespan.

Q: What sizes of copper pipe does this expander kit cover?

A: The kit covers six of the most widely used copper pipe diameters: 1/4" (6.3mm), 3/8" (9.5mm), 1/2" (12.7mm), 5/8" (15.9mm), 3/4" (19mm), and 7/8" (22.2mm) — covering the full range typically encountered in residential and light commercial HVAC installations.

Q: Is this suitable for DIY air conditioner installation at home?

A: Yes! The Zimir pipe expander set is designed to be user-friendly for both professional HVAC technicians and confident DIYers. As long as you have access to a standard electric drill, you can expand copper tubing quickly and accurately to make tight, leak-free pipe connections during AC installation or repair.