KIN-630 High-Speed Air Micro Grinder – 70,000 RPM Pen-Type Die Grinder
KIN-630 High-Speed Air Micro Grinder – 70,000 RPM Pen-Type Die Grinder
The KIN-630 is a high-speed precision pen-type air micro grinder engineered for mold finishing, deburring, surface polishing, and metal finishing. Powered by a 70,000 RPM motor with ultra-compact design — all components machined using Japan STAR (Automatic Lathe) CNC for superior part accuracy.
Key Features
- Ultra-high speed 70,000 RPM for precise, efficient grinding and polishing
- Low vibration (1.0 m/S²) — reduces operator fatigue and improves control
- Quiet operation at 88 dBA (with muffler included)
- Ultra-lightweight at only 64.9g — ideal for precision, extended-use tasks
- Interchangeable collet: 3mm / 1/8" / 2.38mm
- Stainless steel rotor for long-lasting durability
- Adjustable roller-type throttle valve for fine speed control
Applications
Mold polishing · Die finishing · Deburring · Internal cavity grinding · Surface finishing · Precision engraving
Technical Specifications
| Specification | Value |
|---|---|
| Model | KIN-630 |
| Free Speed | 70,000 RPM |
| Vibration | 1.0 m/S² |
| Collet Size | 3mm / 1/8" / 2.38mm (interchangeable) |
| Body Length | 140 mm |
| Body Diameter | 15.5 mm |
| Net Weight (tool only) | 64.9 g |
| Noise Level | 88 dBA (with muffler) / 94 dBA (without) |
| Operating Pressure | 90 PSI (6.32 kgf/cm²) |
| Air Consumption | 4 CFM / 0.12 m³/min / 113 L/min |
| Air Inlet | 1/4" |
| Air Hose Length | 1,300 mm (ID: 5 mm) |
| Runout (TIR) | 0.01 – 0.03 mm |
| Exhaust Direction | Rear exhaust |
Standard Accessories Included
- Wrench 9×9mm × 1
- L-type wrench 9×9mm × 1
- Oil bottle × 1
- Quick connector × 1
OEM/ODM packaging available. Contact us for wholesale pricing and custom branding options.
For specs, pricing, sample availability, or OEM/ODM inquiries.
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