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Astro Pneumatic T20AH 1/4" Angle Die Grinder with Safety Lever, 20000 RPM

Item # AOT20AH
Astro Pneumatic T20AH 1/4\" Angle Die Grinder with Safety Lever, 20000 RPM Astro Pneumatic AOT20AH
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$42.74
 
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Astro Pneumatic T20AH 1/4" Angle Die Grinder, Front Exhaust

  • The Astro Pneumatic T20AH is a compact ¼-in angle die grinder delivering 20,000 rpm via a powerful 1/3 hp motor, with a safety lever throttle and front exhaust for precise grinding in tight body shop, fabrication, and industrial environments (~45 words).
  • Features:
    • Positive-grip 1/4" collet chuck ensures secure bit retention under high-speed use
    • Lever throttle with safety latch enables feathering control and prevents accidental start-up
    • Front exhaust directs air away from the operator to stay cool during prolonged use
    • Compact 5" length and lightweight (.81 lb) design improve access and reduce fatigue
    • Operates at ~89 dB(A) sound pressure, with less than 2.5 m/s² vibration for user comfort
  • Specifications:
    • Manufacturer: Astro Pneumatic Tool Co.
    • Part Number: T20AH
    • Collet Size: 1/4" (6 mm)
    • Free Speed: 20,000 rpm
    • Motor: 1/3 hp
    • Overall Length: 5 in (127 mm)
    • Net Weight: Approx. 13/16 lb (0.31 kg)
    • Air Inlet: ¼-in NPT; Hose I.D.: 3/8 in (10 mm)
    • Air Consumption: Approx. 3 cfm at 90–120 psi
    • Sound Pressure/Power: 89 dB(A) / 100.8 dB(A)
    • Vibration Level: < 2.5 m/s²
    • Exhaust: Front
    • Safety: Lever throttle with latch mechanism
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Overview

 
 

Astro Pneumatic T20AH 1/4" Angle Die Grinder with Safety Lever, 20000 RPM

  • The Astro Pneumatic T20AH 1/4-Inch 90 Degree Angle Die Grinder with Safety Lever is designed for heavy duty grinding, casting cleaning, and weld smothering. It can be used with carbide burrs or mounted points. Wide range of functionality includes mechanic and body shops, fabrication shops, shipyards, foundries and industrial plants. 
  • Features
    • Includes Safety Lever
    • Positive grip - 1/4 Inch capacity collet chuck
    • Compact and lightweight
    • Lever throttle for feathering control
    • Front exhaust
  • Specifications
    • Item Type: Compact, Lightweight, 90 Degree
    • Overall Size: 5 Inch Length
    • Inlet Connection Size: 1/4 Inch Threaded
    • Speed Rating: 20000 rpm
    • Pressure Rating: 90 to 120 PSI
    • Weight: 0.812 Pound
    • Collet Size: 1/4 Inch
    • Motor Power Rating: 1/3 HP
    • Air Hose Size: 3/8 Inch Inner Diameter
    • Air Consumption: 3 CFM (Average)
    • Sound Pressure: 89 Decibel
    • Sound Power: 100.8 Decibel
    • Vibration Level: Less than 2.5 Meter per Square Second
    • Exhaust Type: Front
    • UPC: 452270002725
  • The Astro Pneumatic T20AH can also be referred to as 90-degree angle die grinder, compact air die grinder, front-exhaust die grinder, safety-lever angle grinder, and 20K-rpm pneumatic grinder.

 

Astro Pneumatic Tool Co. crafts the T20AH as an efficient, durable angle grinder with safety features and compact ergonomics—ideal for precise grinding in automotive, fabrication, or maintenance operations.

 

Q: What advantage does the safety lever provide?
A: The lever throttle includes a safety latch that prevents accidental activation and allows smooth speed modulation for controlled grinding.

 

Q: Where is this tool best used?
A: Its compact 90° head, front exhaust, and moderate vibration make it perfect for tight-access tasks like bodywork, muffler jobs, or inside confined metalworking areas.

 

Q: How does the ergonomic design help during extended use?
A: At just 5 in length and ~0.8 lb, it stays balanced in the hand, reducing fatigue, while front exhaust and low vibration improve operator comfort.