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Twist drill assortment HSS DIN 338, type RN 130°, 25 pieces
Steel precision drill bits for general, broad applications in steel up to 850 N/mm² strength and 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 drill-point cross thinning
Precise spot 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 build-up of material deposits
Vaporised surface
The 13.0 mm dia. drill shank is reduced to 12.7 mm dia.
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