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Twist drill assortment HSS DIN 338 type RN 130°
55 pieces Steel precision drill for general, broad applications in steel up to 850 N/mm² strength and cast iron.
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20% less infeed force compared to conventional drills, with faster work progress and less expenditure of effort
Optimised cross thinning
Highly accurate tapping without centring, even on curved surfaces
Optimum cross-grinding
Ideal for producing core drill holes
Highly precise tip grinding for precise drilling
Excellent adhesion of cooling lubricants and a reduced tendency towards build-up
Vaporised surface
- The Ø 13.0 mm drill shank is reduced to Ø 12.7 mm
- For drill bit/material assignments, see overview tables
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