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Twist drill assortment HSS DIN 338, type RN 130°, 91 pieces
Steel precision drill bits for general, broad applications in steel up to 850 N/mm² strength and cast iron.
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Variants
20 % lower infeed force compared to conventional drill bits as well as quicker progress and a gentler way of working
Optimised drill-point cross thinning
Precise drilling without centring, even on curved surfaces
Optimised split point
Ideal for core drill holes
Very precise point grinding for precise boreholes
Excellent adhesive properties of cooling lubricants and a reduced tendency towards the buildup of material deposits
Vaporised surface
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