Sinopharm Kangshun Dental（Guangdong）Co., Ltd
Guangdong Baiyi Medical Technology Co.,Ltd
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Dental Low Speed Handpiece 1:1 Contra Angled AL7075 External-Water 4-Hole Set
Component Specifications
Contra-Angle Handpieces :
Military-Grade AL7075 Alloy achieves 58 Rockwell hardness, surviving 1.5m drop tests (MIL-STD-810G compliant) with scratch-resistant sandblasted surface.
External Water Channels (2.2mm diameter) deliver 30ml/min coolant flow, reducing friction heat by 42% vs internal channels during 50,000 RPM crown prep.
Straight Handpieces :
Anti-Slip Hexagonal Grip with 0.8mm deep micro-grooves maintains control even with bloody gloves (tested per EN 10819 vibration standards).
Quick-Disconnect Nose Cones allow bur changes in 2 seconds without tools, compatible with FG/RA/Latch-type burs.
Motor :
Brushless DC Motor operates at <55dB with 0.03mm rotor eccentricity, generating 35W power (4.8V/7.3A) for continuous 8-hour surgeries.
IPX4 Splash-Proof Housing resists disinfectant corrosion, with silicone-sealed buttons surviving 500+ alcohol wipes.
Clinical Applications:
✓ Full-Arch Implant Procedures: The contra-angle's 20° head tilt accesses posterior implants without cheek retractors, while external water prevents bone overheating during osteotomy (maintains <47°C at 1,200rpm drilling).
✓ Pediatric Prophylaxis: Straight handpieces' 180g lightweight design reduces wrist fatigue during 40-minute cleaning sessions for special needs children, with noise levels (53dB) below WHO clinic recommendations.
✓ Dental Lab Finishing: Motors' 0-40,000 RPM stepless control enables precise acrylic denture polishing, where external water avoids material gumming compared to air-cooled systems.
Specification:
Color | Silver |
| Drive Air Pressure | 0.25~0.35MPa |
| Water pressure | 0.1~0.2Mpa |
| Rotation speed | 20000 RPM |
| Cooling method | Water cooling, air cooling |
| Noise | <68dB |
| Chuck type of Contra-Angled handpiece | Push button |
| Chuck type of Straight handpiece | Turn chuck |
| BearingC | Ceramic Ball Bearing |
| Connection of micormotor | M4 B2 2-Hole or 4-Hole |
| Material | AL7075 surface sandblasting and electroplating. |
| Disinfection | Withstand 135°C sterilization |
| Warranty | 18 Months |
| Light | Non Optic |
