Cutting tool・tooling

NAKASEIKI

🌀 NPC-4TTS-43M – Wedge Chuck 4-Inch
4 Fingers – Precision Clamping – Optimized Chip Evacuation – Superior Dust Protection
The NPC-4TTS-43M is a high-precision pneumatic chuck designed for clean and stable operation in harsh environments. Featuring a central through-hole and oil-mist compatibility, it enables efficient chip evacuation, coolant delivery, and sensor integration—making it ideal for CNC machining and automated systems.

⚙️ Optimized for Clean, High-Performance Workspaces
With its “M” variant oil-mist sealing, the NPC-4TTS-43M offers enhanced dust resistance and long-term durability. It’s built for environments where cleanliness, precision, and reliability are non-negotiable.

💡 Key Features
- 🔩 4 Fingers – Uniform and Secure Clamping
→ Balanced grip for consistent performance
- 🌀 φ6.0 mm Through-Hole
→ Supports chip evacuation, coolant/oil-mist flow, and sensor mounting
- 🎯 Repeatability ±0.005 mm
→ Maintains long-term precision in demanding conditions
- 🔄 Bottom-Center Air Supply
→ Clean and compact pneumatic integration
- 🛡️ Oil-Mist Compatible (“M” Versio
- → Ideal for dusty, chip-heavy machining environments

📊 Quick Specs
| Specification | Value |
| Number of Fingers | 4 |
| Stroke per Finger | 3 mm |
| Through-Hole Diameter | φ6.0 mm |
| Repeatability | ±0.005 mm |
| Operating Pressure | 0.15 – 0.6 MPa |
| Gripping Force (@0.1 MPa) | 1161 N |
| Max Rotation Speed | 2000 RPM |
| Weight | 2540 g |
| Air Connection | FT-30 / FTB-30 / K variants |

🚀 Compact – Powerful – Clean from Every Angle
NPC-4TTS-43M – When precision clamping and workspace cleanliness must come together.