1:1 external water spray contra angle kit include one contra, one straight handpiece and one air motor. It is made of stainless steel material; with latest design of push latch head, more convenient, and more stable clamping. Use with imported ceramic bearings, safety assurance; the max speed can up to 20,000rpm; low noise. Suitable for any E-type motor accords with ISO standard, can use in dental clinics or lab. 135°C autoclavable, suitable for both steam and chemical autoclave. Suitable for 2.35mm burs. High quality, long life, precise technology, stable, no vibration while revolving, offering a steady operation.
| 1:1 External water spray push latch contra angle | 1:1 external water spray straight handpiece | External water spray air motor | |
| Output power: | 22-25W | 22-25W | 22-25W | 
| Air pressure: | 350±10%Kpa | 350±10%Kpa | |
| Speed: | ≤20,000rpm | ≤20,000rpm | ≤20,000rpm | 
| Connection: | ISO E-type connection | ISO E-type connection | Silent | 
| Bearing: | Imported bearings | Imported bearings | Imported bearings | 
The 1:1 variable speed dental handpiece is mainly used for removing the dental caries, drilling holes, tooth polishing and some other basic root canal therapy. When the doctors carry out removing of the dental caries, they need water to cool down during post space preparation, otherwise, the heat generated during operation will cause pain to the patients.
The 1:1 variable speed dental handpiece adopts unique appearance design which meets the standard of ergonomics. It is equipped with comfortable handle which can effectively relieve hand fatigue caused by long time operation.
The dental drill adopts detachable and easy cleaning machine head, modular assembling so the assemble and disassemble is convenient and quick. The operation is easy. Besides, the consequent maintenance can be carried out by yourself easily.





