Dental Low Speed Handpiece 1:1 Contra Angled AL7075 External-Water 4-Hole Set1

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: