Mastercool tube expander kit with 7 hydraulic heads

This hydraulic expander kit is made for Aussie tradies who want quick, clean, and consistent tubing work—without the hard slog.

What you'll find on this page

• ✅ Hydraulic power for smoother results
• ✅ What’s included in the 7-head kit
• ✅ Full list of replacement parts
• ✅ Works with copper, aluminium and soft steel

Hydraulic power for smoother results

If you’re done with old manual tools, this is your upgrade. It uses hydraulic pressure to get precision every time.

• ✅ Fabricates and expands tubing with less force
• ✅ Neat, uniform expansion every time
• ✅ Great for repeat work on-site or in the workshop

What’s included in the 7-head kit

You’ll get everything you need for professional tube expansion, all packed in a molded carry box.

• ✅ Seven expander heads: 3/8″, 1/2″, 5/8″, 3/4″, 7/8″, 1″, and 1 1/8″ O.D.
• ✅ Hydra-Swage 71601 hydraulic body
• ✅ Small adapter and inner-outer reamer
• ✅ Tough molded case to keep it all together

Full list of replacement parts

Need a spare head or part down the track? No stress—we’ve got them all available by model number.

• ✅ 71601-A: Hydra-Swage
• ✅ 71601-D: Adapter for 71601
• ✅ 71685: Inner–outer reamer
• ✅ 71600-PB: Molded box for kits
• ✅ Expander heads from 3/8” to 2 1/8” available separately

Works with copper, aluminium and soft steel

This isn’t just for copper—it’s designed to expand soft metals with accuracy and care, so you can avoid splitting and waste.

• ✅ Compatible with copper, aluminium and soft steel tubing
• ✅ Helps create leak-free joins for HVAC, plumbing and auto work
• ✅ Patent No. 6,619,099 for innovative expansion tech