Malco C5A2 TurboCrimper IMPACT: Turn Your Impact Driver Into a Duct Crimper

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Quick verdict: Malco C5A2 TurboCrimper IMPACT

If you crimp a lot of round duct or stove pipe, the C5A2 turns the impact driver you already carry into a crimper. No setup, just chuck it and go.

Pros

  • Works with the 1/4 in. impact driver you already have
  • No setup
  • Runs forward or reverse
  • Limited lifetime warranty, replacement drive shaft available

Cons

  • Made for impact drivers only
  • Limited to 30 to 24 gauge material
Key specs
Drive1/4 in. quick-release hex, impact drivers only
Material30 to 24 gauge galvanized round duct, cold rolled steel and stove pipe
AlsoSpiral duct
WarrantyLimited lifetime
Replacement drive shaftC5A2RD
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Table of Contents

Introduction

Crimping the end of round duct or stove pipe by hand is slow, and your hands feel it by the end of the day. At the National Hardware Show, Malco showed us a faster way.

It’s the Malco C5A2 TurboCrimper IMPACT, and in our video it crimps a pipe end in seconds.

What It Is

The C5A2 is a crimper that runs off an impact driver. As we said in the video, it goes on the end of any quarter-inch impact. It has a 1/4 in. quick-release hex shank, and Malco says there’s no setup. It runs forward or reverse.

Malco says it’s made for impact drivers only. It lists a minimum of 12V DC for cordless impacts and a maximum of 7 amps for corded ones.

What It Crimps

Malco rates it for 30 to 24 gauge (0.41 to 0.71 mm) galvanized round duct, plus cold rolled steel and stove pipe. Malco also lists spiral duct.

Malco backs it with a limited lifetime warranty, and the drive shaft is sold separately as a replacement part, C5A2RD.

Specs

  • Model: C5A2
  • Drive: 1/4 in. quick-release hex
  • Driver: impact drivers only (12V DC minimum; 7 amp AC maximum)
  • Material: 30 to 24 gauge (0.41 to 0.71 mm) galvanized round duct, cold rolled steel, stove pipe
  • Also lists: spiral duct
  • Direction: forward or reverse
  • Warranty: limited lifetime
  • Replacement drive shaft: C5A2RD

Where to Buy

The Malco C5A2 TurboCrimper IMPACT is available on Amazon (affiliate, we may earn a commission). Prices change, so check current pricing.

Final Thoughts

If you crimp a lot of round duct or stove pipe, the C5A2 turns the impact driver you already carry into a crimper. Instant crimping, as we said in the video. For more, see our power tool accessory reviews.

FAQ

Does the Malco C5A2 work with a drill?

Malco says it’s made for impact drivers only.

What gauge duct can it crimp?

30 to 24 gauge galvanized round duct, plus cold rolled steel and stove pipe, according to Malco.

Does it need any setup?

No. Malco says there’s no setup. It goes on a 1/4 in. impact driver.

Can I replace the drive shaft?

Yes. Malco sells a replacement drive shaft, C5A2RD.

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