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Silver pistol-grip needle scaler with fixed collar and lever throttle

SPEEDAIRE

SPEEDAIRE 3AAH9 needle scaler 4.6 CFM 1-5/16 in stroke

SKU CH-HPNK-13NJH

An industrial-duty needle scaler with a 1-5/16 in stroke, 4.6 CFM at full load and 3,700 blows per minute for surface preparation

  • Delivers 3,700 blows per minute for fast surface cleaning
  • 1-5/16 inch stroke length provides strong material removal
  • Operates at 90 psi with 4.6 CFM full-load air consumption
  • Pistol-grip design with fixed collar ensures stable handling
  • Includes hex wrench and accepts needles for versatile use

SPEEDAIRE 3AAH9 Needle Scaler

The SPEEDAIRE 3AAH9 is a pneumatic needle scaler built for industrial duty with a 1-5/16 in stroke length and 3,700 blows per minute. It operates at a required pressure of 90 psi and delivers 4.5 CFM at full load, making it suitable for heavy surface preparation tasks.

Suited for industrial surface cleaning.

This tool suits professionals removing rust, scale, or coatings in fabrication, maintenance, or shipyard environments where high impact force is needed. It is not intended for precision work, confined spaces requiring compact tools, or users without access to a compressor meeting the 90 psi and 3/8 in hose requirements.

Simple air-line connection with included hex wrench

Installation involves connecting the 1/4 in NPT air inlet to a supply line of at least 3/8 in diameter and setting the regulator to 90 psi. The fixed collar housing lock and throttle lever allow straightforward operation. Common issues arise from insufficient air pressure or undersized hose, which reduce blow frequency and scaling effectiveness.

Highlights

  • Delivers 3,700 blows per minute for fast surface cleaning
  • 1-5/16 inch stroke length provides strong material removal
  • Operates at 90 psi with 4.6 CFM full-load air consumption
  • Pistol-grip design with fixed collar ensures stable handling
  • Includes hex wrench and accepts needles for versatile use

Specifications

BrandSPEEDAIRE

Questions about this item

What air compressor output do I need to run this needle scaler?

The tool requires 90 psi and a compressor that can supply 4.5 CFM at full load; a 3/8 in minimum hose size is also specified.

Can I use my existing 1/4 in NPT air fittings with this scaler?

Yes, the scaler has a 1/4 in NPT air inlet, so standard 1/4 in NPT fittings will connect directly.

How can I verify the scaler is operating correctly after hooking it up?

At 90 psi the scaler should deliver about 3,700 blows per minute with a 1-5/16 in stroke; you will hear rapid hammering and feel strong vibration at the needle tips.

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