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Twist drill bit assortment HSS DIN 1897 type RN, 19 pcs
Extra-short steel precision drill bit for general, broad applications in steel up to 850 N/mm² strength and in cast iron.
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20% lower infeed force compared to conventional drill bits as well as quicker progress and a more gentle way of working
Optimised cross thinning
Precise spot drilling without centring, even on curved surfaces
Optimised split point
Ideal for core drill holes
Very precise point geometry for accurate drill holes
Excellent adhesive properties of cooling lubricants and reduced tendency towards the build-up of material deposits
Vapourised surface
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