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Silver composite in-line air drill with rubber grip, lever throttle, 7 inch length

Dynabrade Products

Dynabrade Products 53037 Air Drill In-Line 1/4 Inch

SKU CH-QJ8E-CKWJT

In-line air drill delivers 20,000 RPM free speed and 0.40 ft-lb torque at 90 psi, weighs 1.5 lb with rubber handle

  • Industrial-grade performance with 20,000 RPM free speed
  • Consistent power delivery at 90 psi operating pressure
  • Efficient air consumption of 3.80 CFM @ 15 second run time
  • Lightweight 1.5 lb composite housing reduces operator fatigue
  • Precision planetary gear train delivers 0.40 ft-lb torque

Industrial In-Line Air Drill 53037

The Dynabrade 53037 is a straight-body pneumatic drill built for production lines and assembly stations where a compact in-line form factor keeps the bit aligned with the operator forearm. Its composite housing and rubber grip reduce vibration transfer during repetitive drilling cycles in metal, plastic or composite workpieces.

Free Speed 20 000 RPM

The single figure that determines fit is the no-load speed of 20 000 RPM, which suits high-speed drilling of small-diameter holes in sheet metal or composite lay-ups. At 90 psi operating pressure the motor delivers 0.40 ft-lb of torque through a planetary gear train supported by ball bearings.

Sustained Air Consumption 3.80 CFM

During a 15-second continuous run the tool draws an average of 3.80 CFM, so the compressor and 3/8-inch minimum hose must maintain flow without pressure drop to keep speed stable. The lever throttle provides on-off control without a variable-speed range, making output consistent for repeated fixed-depth operations.

Highlights

  • Industrial-grade performance with 20,000 RPM free speed
  • Consistent power delivery at 90 psi operating pressure
  • Efficient air consumption of 3.80 CFM @ 15 second run time
  • Lightweight 1.5 lb composite housing reduces operator fatigue
  • Precision planetary gear train delivers 0.40 ft-lb torque

Specifications

BrandDYNABRADE

Questions about this item

What does 20,000 RPM free speed mean when the drill is under load?

Free speed is the no-load maximum; actual drilling speed drops once the bit contacts material and torque demand rises.

How does the 90 psi requirement limit airflow in a typical shop line?

At 90 psi the tool draws 3.80 CFM averaged over a 15 second run, so the compressor must sustain that flow continuously.

What mounting or hose provisions does the 7 in composite body need?

It requires a 3/8 in minimum hose and has a lever throttle on a rubber-grip handle for hand-held operation.

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