Chicago Pneumatic CP7125 - Perfect for Removing Rust in the Workshop

Some jobs require specialist tools in order for you to work smartly and efficiently. One such type of tool is a needle scaler.

A needle scaler is perfect for vehicle restoration work as it allows you to quickly remove deep and surface rust, and for prepping body work for painting. In this guide we'll look at the CP7125 pistol needle scaler from the kings of air tools Chicago Pnuematic - see all the spec here.
Chicago Pneumatic CP7125 Versatile Pistol Needle Scaler

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Chicago Pneumatic CP7125 Pistol Needle Scaler - What's the Spec, Features and Benefits - Shop Now

The huge benefit of a pistol needle scaler is the pistol grip and trigger, giving you fantastic control over the tool while you work. Chicago Pnuematic has covered the handle of the grip with soft rubber, helping to insulate it against the cold - the blight of anyone spending hours in a drafty workshop.

In the box you'll find two sets of needles:

  • 9 x 1/8" (3 mm) for standard usage
  • 29 x 5/64 " (2 mm) for finer usage

Chicago Pneumatic CP7125

The 3mm set are fitted, allowing you to start on the job of carefully removing rust or cleaning up steel drums, for example, straight away. Swap these out for the 2mm setand you're ready to do the fine finishing tasks required before you start to paint.
Chicago Pneumatic CP7125

Why Use a Pistol Needle Scaler?

The needles are perfect for surfaces where a grinder or even a belt sander would struggle, particularly uneven surfaces. This is because of how the needles move, attacking the surface in an irregular pattern so that the rust is tackled quickly and efficiently.

Chicago Pneumatic CP7125

We asked professional VW restorer Carl from BeetleBank his thoughts on the CP7125, and he explained that needle scalers aren't used widely, but for him it's one of his mainstay tools in vehicle restoration.

And he demonstrated how he puts it to use on his classic VW van. Watch the demo video on Toolstop TV.

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The CP7125 is of course an air powered tool, and the key spec are as follows:

  • Actual air consumption: 2.2 l/s 4.6 cfm
  • Actual air consumption: 132 l/mn 4.6 cfm
  • Air inlet thread size: 1/4 "
  • Min. hose size: 10 mm 3/8"

Sound and viibration factors are:

  • Sound DBA pressure: 105 db(A)
  • Sound Power: 116 db(A)
  • Vibration α (ISO-28927-9): 19.2 m/s
  • Vibration K (ISO-28927-9): 2.4 m/s

What sort of workshop tools are you relying on and would recommend to other professionals and hobbyists? Let us know in the comments section below!

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