1/2" BROWN & SHARPE MODEL 00 SQUARE BASE PUSH BUTTON TYPE AUTOMATIC SCREW MACHINE with 240 RPM drive-shaft speed 1" With 120 RPM drive-shaft speed 2" Spindle speed range 34 to 7200 RPM 3 HP 3/60/220/440 Main drive motor & controls 1/3 HP 3/60/230/460 Dynabrake motor |