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Twist drill assortment HSCO DIN 340 type RN OXIDE
19 pieces Long, precise, high-performance drill for deep drilling in stainless steel (e.g. V2A, V4A), heat-resistant steels and titanium. Also suitable for general broader applications in steel with strength up to 1,000 N/mm² and in cast iron.
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Rapid drilling with perfect chip removal
Large chipping spaces and small core
Ideal for producing core drill holes
Highly precise tip grinding for precise drilling
- When using the twist drill according to DIN 340, prior drilling of a centring bore is recommended. Our NC spotting drills (art. no. 063644 etc.) are perfectly suited to this.
- Also recommended in conventional steel if longer service life compared to uncoated HSS drills is a priority.
- See overview tables for drill/material assignments
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