ZP315 – 5-Inch Air Extension Die Grinder
The ZP315 5-Inch Air Extension Die Grinder is a premium-quality pneumatic die grinder crafted for high-speed grinding and polishing in restricted environments. Equipped with a 5-inch extension shaft, it offers precision access and dependable performance across automotive, industrial, and specialty maintenance tasks.
Key Specifications
| Feature | Specification |
|---|---|
| Motor Power | 0.5 HP |
| Collet Size | ¼″ (6 mm) (also works with ⅛″/3 mm) |
| Free Speed | 22,000 RPM |
| Extended Shaft Length | 11″ (280 mm) |
| Net Weight | 1.8 lbs (0.8 kg) |
| Air Inlet | ¼″ NPT / PT |
| Minimum Hose Size | ⅜″ (10 mm) |
| Air Consumption | ~3.7 CFM |
| Exhaust Type | Rear exhaust for clean handling |
| Ergonomic Features | Cushion-grip handle; power/speed regulator; twin-bearing spindle for <0.05 mm concentricity, low vibration |
Features & Benefits
Extended Reach – The 5″ extension shaft grants access to otherwise inaccessible work areas like deep cavities, engine internals, and backing plates.
High-Speed Performance – Equipped with a powerful 0.5 HP motor that spins at 22,000 RPM, delivering efficient material removal with inherent precision.
Improved Comfort & Control – Ergonomic, cushioned grip and variable RPM control aid in reducing fatigue during extended operations.
Precision & Stability – Rear exhaust design and a twin-bearing spindle ensure smooth, low-vibration operation and clean work conditions.
Accessory Versatility – Works with both 6 mm and 3 mm accessories, expanding the range of compatible bits for different tasks.
Typical Use Cases
Automotive Work – Ideal for trimming, shaping, and polishing in confined engine bays, brake components, and tight areas.
Industrial Maintenance – Reach tight assembly spots for grinding, deburring, and surface prepping without disassembly.
Metal Fabrication – Performs detailed edge work, weld clean-up, and shape refinement in compact spaces.
Why Choose the ZP315?
When your projects demand both reach and precision, the ZP315 delivers both in spades. Its combination of high RPM, extended shaft, and user-focused features makes it an essential tool for professionals working in tight, finish-critical environments.
Side-by-Side Comparison
| Model | Shaft Length | RPM | Weight | Best Suited For |
|---|---|---|---|---|
| ZP315 | 5″ (11″) | 22,000 | 1.8 lbs | High-speed, precision work in cramped spaces |
| ZP314 | 3″ | 22,000 | ~1.5 lbs | Shorter reach with the same speed characteristics |
| ZDG-231L | 5″ | 25,000 | ~1.5 lbs | Higher-speed mini extension for ultra-fine detail work |
- 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.
- The Extension Die Grinder is designed for high-speed grinding and polishing in hard-to-reach areas.
- Features an extended reach of 5″.
- By using 1/4″(6mm) or 1/8″(3mm) grinding accessories, the grinder can be used in a wide range of grinding and polishing applications.
Specification:
- 0.5HP Die Grinders
- Collet Size: 1/4(6) inch(mm)
- Net Weight: 1.8(0.8) Lbs.(kg)
- Length: 11(280) inch(mm)
- Free Speed: 22000 rpm
- Air Inlet Size: 1/4 inch-NPT/PT
- Min. Hose Size: 3/8(10) inch(mm)
- Avg. Air Cons.: 3.7 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 |
