Besdia UG-400 40,000 RPM Precision Pneumatic Die Grinder (Made in Taiwan):
- Technical Specifications: Free rotational speed 40,000 RPM, collet chuck diameter Ø3.0 mm (standard 3.0mm precision collet), operating air pressure 6.0 bar (90 PSI / 0.6 MPa), air consumption ~120 L/min, body dimensions Ø27 mm x 155 mm length (slender pencil grip design), weight approx. 230g, throttle type: twist ring on/off speed regulator, air exhaust: rear over-hose silencer exhaust with flexible air supply hose assembly, high-precision micro-turbine ball bearings, Product of Besdia (Best Diamond Industrial Co., Ltd.) Taiwan.
- Ultra-High 40,000 RPM Grinding Speed: Spins mounted diamond burrs, carbide rotary files, and ceramic stones at optimum cutting speeds for mirror finishes.
- Slender Ergonomic Pencil Grip (230g): Provides pen-like maneuverability and precise tactile feedback for intricate mold cavity polishing.
- Dynamic Balancing & Ultra-Low Vibration: Reduces hand-arm vibration syndrome (HAVS) and hand fatigue during 8-hour continuous engraving shifts.
- Rear Silenced Air Exhaust Hose: Directs cold oily exhaust air away from workpieces and the operator's face while keeping noise levels low.
- Applications: Plastic injection mold polishing, jewelry engraving, dental lab prosthetic grinding, die casting deburring, and turbine blade porting.
