... coated with turcite-B, high rigidity and fine stability2) Box-type slide way with high rigidity for heavy duty industry; linear-type ... industry3) High quality spindle, ball screw, bearings, linear slide way and coupling; full close guarding;4) Auto lubrication system5) Optional ... optional choose: 10000rpm, 12000rpm, 15000rpm2 Arm type ATC (16, 24, 32 pcs subject to machine model)3 Central oil coolant ...