ZDG-231AL 3 inch Extension Mini Air Die Grinder

ZDG-231AL 3 inch Extension Mini Air Die Grinder

The ZDG-231AL 3-inch Extension Mini Air Die Grinder is engineered for professionals who need precision grinding, polishing, and finishing in confined or hard-to-reach areas. With its 3-inch extended shaft, this tool provides extra reach while maintaining excellent control and maneuverability, making it ideal for automotive repair, aerospace applications, mold finishing, and metal fabrication.

SKU: ZDG-231AL Category: Air Die Grinder / Angle Die Grinder Tag: Air Die Grinder

ZDG-231AL – 3 inch Extension Mini Air Die Grinder

 

 

Compact Extended-Reach Pneumatic Die Grinder

 

 

The ZDG-231AL 3-inch Extension Mini Air Die Grinder is engineered for professionals who need precision grinding, polishing, and finishing in confined or hard-to-reach areas. With its 3-inch extended shaft, this tool provides extra reach while maintaining excellent control and maneuverability, making it ideal for automotive repair, aerospace applications, mold finishing, and metal fabrication.

 

 

Key Features

 

 

  • 3-Inch Extended Reach – Perfect for accessing tight or recessed spaces where standard die grinders cannot reach.

  • High-Speed Performance – Achieves up to 22,000 RPM for fast and precise material removal.

  • Dual Collet Compatibility – Equipped with 1/4 inch (6 mm) and 1/8 inch (3 mm) collets, supporting a wide range of accessories such as carbide burrs, stones, and polishing tools.

  • Lightweight & Ergonomic Design – Weighs only around 1.1 lbs (0.5 kg), ensuring comfort and reduced operator fatigue during extended use.

  • Rear Exhaust System – Keeps debris and air away from the work surface for a clean finish.

  • Industrial-Grade Durability – Built from premium materials to withstand heavy-duty, professional use.

  • Air Efficient Operation – Consumes just 3.0 – 3.5 CFM, helping reduce compressor load while delivering consistent power.

 

 

Benefits

 

 

3-inch extension allows access to recessed areas with improved control.
Compact and lightweight for excellent handling and reduced fatigue.
High-speed output (22,000 RPM) ensures efficient grinding, polishing, and finishing.
Supports multiple accessories with a dual collet system (1/4” & 1/8”).
Durable construction guarantees long service life even under daily industrial use.

 

 

Applications

 

 

  • Automotive Repair: Porting cylinder heads, removing gaskets, and polishing engine parts.

  • Aerospace & Mold Work: Precision finishing of molds, dies, and aerospace components.

  • Metal Fabrication: Deburring, weld grinding, and edge finishing in confined spaces.

  • General Industry: Maintenance, polishing, and detailed finishing in industrial workshops.

 

 

Why Choose the ZDG-231AL?

 

 

The ZDG-231AL 3-inch Extension Mini Air Die Grinder is the perfect balance of reach, control, and efficiency. Designed for professionals, it offers the extended access of a 3-inch shaft without compromising maneuverability, making it the go-to tool for precision grinding and finishing in challenging environments.

 

 

  • Ergonomic cushion-grip handle-Insulates against cold temperature in the hand, helps ease user fatigue, and insulates against vibration.
  • Power/Speed Regulator-Allows for easy rpm adjustment.
  • Rear exhaust-Directs the exhaust away from the user and the working areas.
  • Twin-Bearing Spindle – This high-quality design results in super-precise spindle concentricity, with less than 0.05mm deviation, and minimal vibration.

 

 

Specification:

 

 

  • Collet Size: 1/4(6) inch(mm)
  • Net Weight: 1.3(0.6) Lbs.(kg)
  • Length: 8.6(220) inch(mm)
  • Free Speed: 25000 rpm
  • Air Inlet Size: 1/4 inch-NPT/PT
  • Min. Hose Size: 3/8(10) inch(mm)
  • Avg. Air Cons.: 2.6 cfm

 

 

Model Collet Size
inch(mm)		 Net
Weight
lbs(kgs)		 Length
inch(mm)		 rpm Air Inlet
Size
inch-NPT/PT		 Minch Hose
Size
inch(mm)		 Avg. Air
Consumption
cfm
ZDG-231 1/4(6) 0.9(0.4) 6.1(155) 25000 1/4 3/8(10) 3
ZDG-2319 1/4(6) 1.3(0.6) 7.3(185) 7600 1/4 3/8(10) 3
ZDG-231AL 1/4(6) 1.3(0.5) 8.6(220) 25000 1/4 3/8(10) 2.6
ZDG-231L 1/4(6) 1.5(0.7) 10.1(259) 25000 1/4 3/8(10) 2.6
ZP313 1/4(6) 1.3(0.6) 7(178) 22000 1/4 3/8(10) 3.7
ZDG-356A 1/4(6) 1.5(0.7) 7.8(200) 2600 1/4 3/8(10) 3.7
ZDG-376A 1/4(6) 1.5(0.7) 7.8(200) 3600 1/4 3/8(10) 3.7
ZDG-376AL 1/4(6) 2.2(1) 12(305) 3600 1/4 3/8(10) 3.5
ZP314 1/4(6) 1.5(0.7) 9.4(240) 22000 1/4 3/8(10) 3.7
ZP315 1/4(6) 1.8(0.8) 11(280) 22000 1/4 3/8(10) 3.7

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