pneumatic drilling unit / self-feed
Super Par-A-Matic series
Max.: 17,000 rpm (106,814.2 rad.min-1)
Min.: 350 rpm (2,199.1 rad.min-1)
Max.: 76 mm (2.99 in)
Min.: 38 mm (1.5 in)
The Super Par-A-Matic Series, which are manufactured by Ingersoll Rand, are self-feed drills that can achieve a smooth, regulated forward and retract strokes as it is integrated with a double-acting air piston, and as well as a needle valve control for those forward and retract strokes. The adjustment screw enables infinite stroke length settings.