DF-25 Dovetail Mount Shear Cut Holder

Product Details

The DF-25 shear cut top knife holder is a narrow, moderate speed pneumatic circular knife holder. You can cut narrow slit widths down to 25mm (1.0”) at line speeds of up to 1219 meter per minute (4000 feet per minute). Weighing only 3.7kg (8.2 lbs.), the DF-25 is designed around the superior and time tested Dienes zero clearance double shaft guidance system which maximizes top knife holder rigidity resulting in cleaner slits and longer circular knife life. A micrometer adjustment device allows for precise depth control setting to ensure the highest slitting quality. Features include choice of dovetail or linear bearing mounts, quick change lower circular knife head, optional Easy-Set tab, 130mm (5.12”) diameter circular blade and a TWO YEAR WARRANTY! When your operation requirements demand slitting know-how, high quality, and long life – there is one place to go – Dienes.

Download the DF-25 Shear Cut Holder Parts List
Drawing subject to change and may not represent the most up-to-date version.

Additional information

Item #


Dovetail Mount

Minimum Slit Width Inches

Maximum Speed

4,000 fpm

Operating Pressure

50 to 90 psi



Micrometer depth adjustments; Dual preloaded linear ball bearings for vertical axis guiding; Adjustable cant angle

Dienes Part #

DF-25 Dovetail Mount Shear Cut Holder

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