Medical Electric Saw and Drill System YTZJ-B Technique featur Parameter: Rotary speed ... machine can connect many working heads, including drill, sagittal saw, reciprocating saw and so on.Rotary speed of drill :≥850rpm,drill chuck ... swing : ≥15000′/min, range of swing : ≥5º.Frequency of reciprocating saw :≥15000′/min, reciprocating distance : ≥3.2mm.Li-ion battery, voltage ...