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Description
Mastercool MINI tube cutters — 70027 (Mini) & 70029 (Midi) — are compact, tough, and built for licensed HVAC & refrigeration techs working in cramped spaces. With carbide wheels and smart roller design, they deliver clean, square cuts that make flares seal first time — a bloody good time-saver on site.
Key features & trade benefits
- Carbide steel cutting wheel — stays sharp on copper and thin-wall stainless so you’re not re-cutting lines.
- Rollers with flare cut-off groove — salvage more tube and get the perfect flare face.
- Compact, knurled control knob — positive feed in tight ceilings and wall cavities.
- Lightweight yet durable body — reliable daily use on Aussie jobsites; fair dinkum value.
- Wide material coverage — hard/soft copper, aluminium, brass, thin-wall steel and stainless.
Why this product matters
Real-world: you’re belly-down in a tight roof space in Brisbane humidity trimming a kinked 3/8" line. With a Mini/Midi that tracks straight and doesn’t crush, you’re done in a minute and the new flare seals first go. She’ll be right — and you’ve dodged a call-back.
Building out your cutting kit? Check our heavy-duty tube cutters for larger diameters and frequent daily use.
Pro tip
Tighten in small increments and rotate; don’t crank the knob hard from the start. Finish with a quick deburr to protect the flare seat and stop micro-leaks — too easy.
Compatibility & system info
- 70027 Mini: 1/8–5/8" O.D. (≈3–16 mm) — great for split-system and fridge linesets.
- 70029 Midi: 3/8–1 1/8" O.D. (≈10–28 mm) — extra capacity without going full-size.
- Materials: hard/soft copper, aluminium, brass, thin-wall steel & stainless.
Local jobsite fit: from Perth rooftops in summer to Melbourne plant rooms in winter, the compact body and carbide wheel combo means clean cuts with less effort and fewer do-overs.
What’s included
- 1 × Mastercool 70027 Mini or 1 × Mastercool 70029 Midi (select your model on the product page)
Specifications
| Model | Tube capacity (O.D.) | Wheel | Materials | Design details |
|---|---|---|---|---|
| 70027 Mini | 1/8–5/8" (≈3–16 mm) | Carbide steel | Cu, Al, Brass, thin-wall steel & stainless | Rollers with flare cut-off groove; compact body |
| 70029 Midi | 3/8–1 1/8" (≈10–28 mm) | Carbide steel | Cu, Al, Brass, thin-wall steel & stainless | Rollers with flare cut-off groove; compact body |
Warranty & returns
Backed by HVAC Shop’s standard trade warranty & returns. If your cutter arrives less than perfect, get in touch and we’ll sort it — no worries.
FAQs
Will these cut stainless without crushing?
Yes — both models are specified for thin-wall stainless. Use light feed and multiple rotations for the cleanest edge. Deburr after the cut for the best flare.
Which size should I pick for split-systems?
70027 covers common lines up to 5/8" O.D. If you regularly see 7/8" suction lines, go 70029 for capacity to 1 1/8".
Do I still need to deburr before flaring?
Absolutely. A quick deburr protects the flare seat and reduces leaks. See our deburring tools.
What if I want an even smoother, low-effort cut?
Consider the Mastercool 72035 E-Z Reduced Friction Tube Cutter — ball bearings in the wheel and rollers for silky feed.
Related products
- Doing cap tube work? The Mastercool 70025 Capillary Tube Cutter keeps cuts crush-free and neat.
- Prefer ultra-smooth feed? Try the Mastercool 72035 E-Z Tube Cutter for frequent daily cutting.
- Finish every cut right with the Imperial 210FSP Deburring Tool — fewer burrs, better flares.
- Need bends too? The Mastercool 70064 12 mm Lever Bender makes tidy 180° bends with less grunt.
Authoritative reference
For standards, safety, and trade updates across Australia, see AIRAH.
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