The ZDG-356A Low Speed Air Die Grinder is a professional-grade pneumatic tool designed for precision grinding, polishing, deburring, and surface preparation where torque and control are more important than high speed. Featuring a straight compact body, ergonomic design, and powerful low-speed motor, the ZDG-356A is perfect for metalworking, mold finishing, automotive, and aerospace applications. Its balanced construction and low vibration output ensure operator comfort, while the industrial-grade motor guarantees durability and consistent performance under continuous use.
Key Features & Specifications
Motor Power: 0.5 HP – reliable performance for industrial tasks.
Free Speed: 3,500 RPM – optimized for torque and accuracy.
Collet Size: 1/4 inch (6 mm) – compatible with most mounted points, burrs, and polishing accessories.
Design: Straight-body die grinder for maximum versatility.
Exhaust System: Rear exhaust keeps work surfaces clean and safe.
Air Inlet: 1/4 inch NPT / PT – standard pneumatic fitting.
Average Air Consumption: Approx. 3.5 CFM – efficient airflow for long sessions.
Weight: 1.4 lbs (0.65 kg) – lightweight and easy to maneuver.
Length: 6.3 inches (160 mm) – compact for use in tight spaces.
Noise & Vibration: Engineered for low noise and reduced vibration.
Benefits of the ZDG-356A
Precision Control – Low speed ensures accurate grinding and finishing results.
High Torque Design – Maintains power under load for consistent performance.
Ergonomic & Lightweight – Reduces operator fatigue during prolonged operation.
Versatile Use – Ideal for grinding, polishing, deburring, and light finishing.
Durability & Reliability – Built with high-quality materials for long service life.
Operator Safety – Rear exhaust prevents air discharge from interfering with the workspace.
Ideal Applications
Automotive Industry: Gasket removal, polishing, and small-part finishing.
Metalworking & Fabrication: Deburring, weld bead smoothing, and surface prep.
Aerospace & Shipbuilding: High-Precision Grinding in Demanding Industries.
Mold & Tool Shops: Finishing and polishing detailed molds and dies.
General Maintenance (MRO): Rust removal, surface conditioning, and repair work.
Why Choose the ZDG-356A?
The ZDG-356A Low-Speed Air Die Grinder is designed for professionals who require controlled, torque-driven grinding performance. Its compact and durable construction makes it a dependable solution for precision applications, while its ergonomic handling ensures comfort during long working hours. If you’re looking for a durable, precise, and operator-friendly low-speed air die grinder, the ZDG-356A is the right choice.
- 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 a tolerance of less than 0.05mm, and minimal vibration.
- The In-Line Die Grinder is designed for low-speed applications.
- Can use with 1/4″(6mm) or 1/8″(3mm) grinding accessories.
| 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 |
