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Silver pneumatic needle scaler, straight 18 in body, 1/4 in NPT inlet, lever throttle

SPEEDAIRE

SPEEDAIRE 3AAH7 Needle Scaler 1/4 in NPT In-Line

SKU CH-NV0Z-K18PK

An in-line needle scaler delivering 4,600 blows per minute at 90 psi with a 1 17/32 in stroke and 3.2 CFM average consumption

  • Removes coatings quickly with 4,600 blows per minute
  • Adjustable collar secures housing during operation
  • 1/4 in NPT inlet connects to standard air lines
  • Delivers 3.2 CFM average for sustained scaling tasks
  • 18 in overall length reaches confined work areas

SPEEDAIRE 3AAH7 Needle Scaler

This SPEEDAIRE 3AAH7 is a new in-line needle scaler built for surface preparation tasks such as rust, scale and coating removal. It connects via a 1/4 in NPT air inlet and operates at a required pressure of 90 psi. The tool is suited for maintenance and fabrication work where a compact, lever-throttle pneumatic scaler is needed.

Capacity and air consumption

At full load the scaler draws 13.0 CFM and averages 3.2 CFM over a 15 second run time, so the compressor must sustain that peak flow for continuous use. It delivers 4,600 blows per minute with a stroke length of 1 17/32 in, providing aggressive material removal on steel and concrete. A minimum 3/8 in hose is required to avoid starving the tool.

Upgrade considerations

The adjustable collar and 18 in overall length give better reach and control than shorter pistol-grip models, making it a step up for prolonged overhead or vertical work. Buyers who need a lighter tool for occasional spot cleaning or who lack a compressor able to deliver 13.0 CFM at 90 psi should consider a lower-consumption alternative.

Highlights

  • Removes coatings quickly with 4,600 blows per minute
  • Adjustable collar secures housing during operation
  • 1/4 in NPT inlet connects to standard air lines
  • Delivers 3.2 CFM average for sustained scaling tasks
  • 18 in overall length reaches confined work areas

Specifications

BrandSPEEDAIRE

Questions about this item

Will the 1/4 in NPT inlet and 3/8 in minimum hose size work with my existing compressor fittings?

The tool uses a 1/4 in NPT air inlet and requires a minimum 3/8 in hose, so match your compressor outlet and hose to those sizes for proper airflow.

How can I confirm the scaler is delivering the rated 4,600 blows per minute at 90 psi after I connect it?

Verify your compressor maintains a steady 90 psi at the tool inlet; the needle action should feel rapid and consistent at the lever, matching the 4,600 BPM specification.

Does the box include the needles and chisels, or do I need to buy them separately?

The scaler comes with the needle scaler attachment included; additional needles or chisels for specific tasks are sold separately.

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