Roughing shell reamer 69.5 NRNa DIN 222 HSS

Technical data of the reamer ripper fi 69.5 mm

- working diameter D (h8)- 69,5 mm

- total length L - 80 mm

- diameter of the fixing hole d - 32 mm

- number of teeth Z - 4

Reamer rough 69,5 mm machine-fitted, pre-machined

High quality roughing shell reamer 69,6 machine NRNa with a diameter of 69,5. It is a slip-on reamer designed for professional finishing of cylindrical holes previously made with a drill. The reamers offered in our store are made according to the DIN 222 dimensional standard, from special HSS (High Speed Steel). This is a modern tool steel distinguished by increased resistance to harsh working conditions, significantly improving the quality of cutting. Thanks to its properties, reamers are much more resistant to any mechanical damage, and thus have a long service life. NRNa coarse reamers are suitable for correcting errors in the shape of the machined hole, leveling unevenness, reducing roughness, as well as improving the smoothness of the surface of the machined hole. They3 can also be used to bring out the axis of the hole and improve its geometry.