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Twist drill HSS DIN 1869 R1 type RN

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Twist drill HSS DIN 1869 R1 type RN

Extra-long drill bit for deep hole drilling in hardened or high strength steel up to a strength of 850 N/mm², in cast iron and in composite materials (e.g. plastic profiles with steel core).

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Very good adhesion of cooling lubricants and reduced tendency to weld on


Vaporized surface

Notice

When using a drill bit in line with DIN 1869, the creation of a pilot hole of 1xD to 2xD depth is recommended. Our extra short precision drill bit in line with DIN 1897 (art. no. 062470…) is ideal for this task.


See overview tables for drill bit/material assignments