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Needle scalers remove rust, mill scale, old paint and weld slag from steel and other hard surfaces. A bundle of hardened needles hammers the surface and follows uneven shapes, so they work well on welds, corners, castings, ship hulls and structural steel before repainting.
How to choose a needle scaler
- Size and weight: slim and lightweight models (Nitto Kohki JC-16, AJC-16) reach tight areas. Larger models (JEX-28, Toku AFC-30N) remove heavy scale faster.
- Chisel option: Toku AFC-20CN and AFC-30CN take both needles and a chisel, so one tool handles scaling and chipping.
- Vibration: low vibration models (Nitto Kohki JEX-20, JEX-2800A) are easier on the hands during long jobs.
- Air or electric: most needle scalers are pneumatic. The Nitto Kohki EJC-32A is electric for sites without compressed air.
Popular needle scalers at KHM Megatools
| Model | Brand | Type | Good for |
|---|---|---|---|
| JC-16 / AJC-16 | Nitto Kohki | Lightweight / slim | Light rust and tight corners |
| JT-20 / JEX-24 | Nitto Kohki | Medium duty / universal | General surface preparation |
| JEX-28 | Nitto Kohki | Heavy duty | Heavy scale and thick paint |
| JEX-20 / JEX-2800A | Nitto Kohki | Low vibration | Long working shifts |
| EJC-32A | Nitto Kohki | Electric | Work without an air supply |
| AFC-20N / AFC-30N | Toku | Pneumatic needle scaler | Weld cleaning and rust removal |
| AFC-20CN / AFC-30CN | Toku | Chisel / needle scaler | Switching between chipping and scaling |
Needle scaler or wire brush?
A wire brush or cup brush on a grinder is fine for light rust on flat surfaces. A needle scaler removes thick scale and reaches into welds and pitted areas that brushes skip. See jet chisels and Toku tools, and use a suitable air compressor for pneumatic models. Always wear eye and hearing protection.
All products from KHM Megatools are genuine and covered by the manufacturer's warranty where applicable.
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