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The DF-50-130 shear cut top knife holder is a high speed pneumatic circular knife holder best utilized on light to medium paper and all non-woven materials. You can cut widths down to 50mm (1.968 in) at web speeds of up to 1,372 m/min (4,500 ft/min). The DF-50-130 is designed around the innovative and well proven Dienes zero clearance double shaft guidance system for vibration damping and maximizing top knife holder rigidity which results in cleaner slits and longer circular knife life. A micrometer adjustment device allows for precise depth control setting to ensure the highest slitting quality. This top knife holder also includes a pneumatically adjustable side force control for the precision ball bearing guided lower head in order to maximize knife life and edge cut quality. Features include choice of dovetail or linear bearing mounts, precision cant angle plates, 360 degree blade guard, quick change lower circular knife head, optional Easy-Set tab, optional oil wick, 130mm (5.118 in) diameter circular blade and a TWO YEAR WARRANTY! When your operation requirements demand slitting know-how, high speed, and long life – call Dienes.