ZDG-231L 5 inch Extension Mini Air Die Grinder

Professional Extended-Reach Pneumatic Die Grinder

The ZDG-231L 5-inch Extension Mini Air Die Grinder is a high-performance tool designed for professionals who need precision grinding, deburring, polishing, and finishing in deep or hard-to-reach areas. With its 5-inch extended shaft, this air die grinder allows technicians to reach into confined spaces that standard tools cannot access, making it ideal for automotive, aerospace, metal fabrication, and mold finishing applications.

Key Features

• Extended Reach Design – 5-inch shaft provides excellent accessibility to deep cavities, tight corners, and recessed work areas.

• High-Speed Motor – Delivers up to 22,000 RPM for fast, smooth, and accurate material removal.

• Versatile Collet System – Comes with 1/4 inch (6 mm) and 1/8 inch (3 mm) collets to support a wide range of abrasives, burrs, and accessories.

• Lightweight & Compact – At just around 1.2 lbs (0.55 kg), it minimizes operator fatigue during extended use.

• Durable Construction – Built with industrial-grade components for reliability in demanding environments.

• Rear Exhaust System – Directs air away from the workpiece and operator, keeping the surface clean.

• Air Efficient – Consumes only about 3.0 – 3.5 CFM, reducing compressor load while maintaining consistent performance.

Technical Specifications

• Collet Size: 1/4 in. (6 mm) & 1/8 in. (3 mm)

• Free Speed: 22,000 RPM

• Horsepower: 0.3 HP

• Air Inlet: 1/4 in. NPT

• Average Air Consumption: 3.0 – 3.5 CFM

• Exhaust: Rear

• Weight: Approx. 1.2 lbs (0.55 kg)

• Overall Length: 10.1 in. (256 mm)

Benefits

The extended 5-inch shaft effortlessly reaches deep cavities and recessed areas.
Compact, lightweight design reduces hand fatigue while offering excellent control.
High-speed 22,000 RPM motor ensures smooth, efficient grinding and finishing.
Multi-collet compatibility allows flexibility with a variety of accessories.
Durable and reliable for daily professional use in harsh environments.

Applications

• Automotive Industry: Cylinder head porting, gasket surface prep, deburring, and polishing engine components.

• Metal Fabrication: Weld grinding, edge finishing, and removing burrs in confined spaces.

• Aerospace & Mold Finishing: Precision work in complex, deep, or narrow molds and dies.

• General Maintenance: Polishing, surface cleaning, and finishing tasks in industrial environments.

Why Choose the ZDG-231L?

The ZDG-231L 5 inch Extension Mini Air Die Grinder is the ultimate solution for professionals who require reach, precision, and efficiency. Whether you’re working on automotive repairs, aerospace components, or fine mold finishing, its extended design and industrial-grade durability provide the reliability you need to tackle the most challenging jobs with confidence.

• 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: 1.5(0.7) Lbs.(kg)
• Length: 10.1(259) 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