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Silver metal needle scaler with lever throttle and fixed collar

SPEEDAIRE

SPEEDAIRE 3AAJ2 Needle Scaler 7.2 CFM 1-1/16 in Stroke

SKU CH-N33Y-02TZF

Removes rust and scale with a 1-1/16 in stroke at 4,000 blows per minute using 7.2 CFM at 90 psi

  • Delivers 4,000 blows per minute for fast surface cleaning
  • 1-1/16 inch stroke provides strong material removal
  • 2 CFM average consumption suits typical shop compressors
  • 1/4 inch NPT inlet connects to standard air lines
  • 13-1/2 inch overall length allows access in tight areas

SPEEDAIRE 3AAJ2 Needle Scaler

The SPEEDAIRE 3AAJ2 is a new pneumatic needle scaler built for surface preparation tasks such as rust, scale and coating removal. Its in-line body style and fixed collar housing suit general-duty work in automotive, fabrication and maintenance shops. Operators who need a compact, air-powered tool for cleaning irregular surfaces will find it a practical choice.

Build integration and air requirements

The scaler connects through a 1/4 in NPT air inlet and requires a minimum 3/8 in hose supplied at 90 psi. At full load it draws 9.2 CFM, while a 15-second run averages 2.3 CFM, so the compressor and hose must sustain that flow. The 13 1/2 in overall length and lever throttle keep the tool manageable in tight areas without extra mounting hardware.

Suitability and limits

This model suits technicians who need a dedicated needle scaler for intermittent descaling jobs at the stated air consumption. Buyers who require a lower CFM tool for smaller compressors, a different stroke length, or a non-pneumatic alternative should consider other options. The Proposition 65 notice also applies for users in California.

Highlights

  • Delivers 4,000 blows per minute for fast surface cleaning
  • 1-1/16 inch stroke provides strong material removal
  • 2 CFM average consumption suits typical shop compressors
  • 1/4 inch NPT inlet connects to standard air lines
  • 13-1/2 inch overall length allows access in tight areas

Specifications

BrandSPEEDAIRE

Questions about this item

What is the CFM requirement at full load for the SPEEDAIRE 3AAJ2 needle scaler?

The tool consumes 9.2 CFM at full load and needs a 90 psi supply, so the compressor must sustain that flow continuously or the scaler will starve during extended use.

How loud and hot does the SPEEDAIRE 3AAJ2 get when run all day?

At 4,000 blows per minute the in-line body transmits strong vibration and high-frequency noise, while the 9.2 CFM airflow keeps the housing cool but demands a compressor that can run continuously without overheating.

What hose and fitting must I already have to connect the SPEEDAIRE 3AAJ2?

A 3/8 in minimum hose with a 1/4 in NPT male fitting is required to supply the 90 psi air the scaler needs.

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