... pressure is under 0.5 Mpa, each parameter of the pneumatic pick should refer to the table. Main technical parametersName ... no more than 262826Power, KW, Not less than 890860815Weight of pneumatic pick (without drilling tools), kg8.08.79.5Length of ... of drilling tools: Diameter(mm), Length(mm)247024702470Vibration parameter of pneumatic pickWhen the average geometric frequency is as following value (Hz ...