...helix 34° l1=6 REF. 343-12 - Drill - helix 34° l1=12 REF. 352-1 - Short twist drill - helix 34° REF. 342- Micro twist drill - helix 34° - shank Ø3 REF. 343-8 -Drill - helix 34° l1=8 REF. 352 - Long twist...

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