Steelman
Steelman 29121NS Pneumatic Needle Scaler Flux Chipper 19 Needles 18in 6.65lb 4600 BPM
Removes rust, mill scale, flux and paint from metal using nineteen needles driven at 4,600 blows per minute
- Removes rust, scale and paint with 4,600 blows per minute
- Nineteen 1/8-inch needles expose clean metal quickly
- 18-inch reach and 6.65-lb weight suit extended use
- Heat-treated steel barrel and pistons resist wear
- 1/4-inch NPT inlet connects to standard shop air systems
18in Needle Scaler for Metal Prep
The STEELMAN 29121NS is an 18-inch pneumatic needle scaler and flux chipper built for automotive bodywork and metal finishing. It uses nineteen 1/8-inch diameter needles driven by a heat-treated steel piston assembly to strip rust, mill scale, flux, and old paint. The tool connects to shop air systems via a 1/4-inch NPT inlet fitting. It weighs 6.65 pounds for controlled handling during extended surface preparation tasks.
Sustained Operation at 4600 BPM
The pneumatic motor delivers 4,600 blows per minute while consuming 4 CFM at 90 PSI, providing consistent impact energy for long sessions without the power drop-off common in electric alternatives. Heat-treated steel barrels and pistons resist wear from continuous cycling, maintaining needle velocity across hours of rust or coating removal. The 18-inch length keeps the operator's hands clear of debris and vibration zones during sustained use on large panels or structural components.
Upgrades from Hand Scrapers and Small Air Hammers
This scaler replaces manual wire brushes, hand chisels, and lower-capacity air hammers when cleaning weld seams, preparing surfaces for coating, or removing heavy corrosion across broad areas. The nineteen-needle pattern covers more surface per pass than single-point tools, reducing labour time on frames, tanks, and plate steel. The jump is worth it when shop air supply meets the 4 CFM requirement and the job scale justifies a dedicated 6.65-pound pneumatic tool over lighter, slower methods.
Highlights
- Removes rust, scale and paint with 4,600 blows per minute
- Nineteen 1/8-inch needles expose clean metal quickly
- 18-inch reach and 6.65-lb weight suit extended use
- Heat-treated steel barrel and pistons resist wear
- 1/4-inch NPT inlet connects to standard shop air systems
Specifications
| Brand | STEELMAN |
|---|
Questions about this item
How much air does the 29121NS consume during continuous operation?
It runs on 4 CFM of compressed air at 90 PSI, so a compressor that can sustain that flow will keep it going all day without pressure drop.
What fitting does the 1/4-inch NPT air inlet on the 29121NS require?
The inlet accepts standard 1/4-inch NPT quick-connect fittings, so you need a matching coupler and a hose with the same thread to supply air.
Will the 19 needles on the 29121NS fit the same work as my older 3 mm needle scaler?
These needles are 1/8 inch diameter, which is slightly larger than 3 mm, so they hit harder but cover a similar area — check your existing needle holders for compatibility.
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