... of the spindle motor is 6000-24000rpm. ** Taiwan AMT ball screw pre-tightening Consumers gap **Dictate format: HPGL,G-code **Adopt ... to change without prior noticeapplicationStrong function,easy operation,sturdy,durable reliable performance,reasonable price,multi-functions and wide range of appliction make ... for example,iron,copper,aluminum,plastic plates and wood,etc.Machine parts and sample pictures