ARM-1600-16 Tapping Machine Pantographic Arm With Adjustable Angle Head - Pneumatic MotorTapping Range M5 to M16 1600mm reach Removes tapping operations from machine tools Blind and through hole tapping Vertical or horizontal tapping Reduce tap breakage The ARM 1600 16 tapping arm is capable of tapping between M5 and M16 threads vertically or horizontally. The machine taps are held in a quick change collet system driven by a pneumatic motor. The motor is mounted on a articulated arm which maintains parallel motion. The smooth arm action