Taper and step drill and countersinks


The taper and step drill and countersinks are constructed with the use of the best rectified with modern steels and sharpeners numerical control.

The range of the allargafori PERINO-IUR extends from the traditional smooth (diam. 3 to 51) to those in step, in millimeters (diam. 3-60). 
Suitable for enlarging holes thicknesses up to 3 mm, it is recommended that, during use, to comply with the recommended cutting speeds on page 5/16 to this catalog and lubricate with cutting oil or grease during the IUR 'use.

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