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Twist drill bit HSCO, DIN 1869, R2, type RN

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Twist drill bit HSCO, DIN 1869, R2, type RN

The extra-long, spiralised stainless steel deep hole drill bit for machining stainless steel (such as V2A, V4A) heat-resistant steels and for general, broad applications in steel up to 1000 N/mm² strength, as well as in cast iron.

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Available in 10 versions

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Excellent chip evacuation


Special clamping groove profile (reduced machining times due to fewer chip removal cycles)



Precise, straight drill pattern


Double drill heels



Increase of tool life by approximately 30% compared to untreated surfaces


Fibre nitration

Notice
  • When using the drill according to DIN 1869, it is recommended to create a pilot hole with a depth of 1xD to 2xD. Our extra-short long-life drill according to DIN 1897 (art. no. 062674 etc.) is ideal for this purpose.

  • See overview tables for drill bit/material assignments