Reference : 1143672
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Drill bit for the precise drilling of steels and cast irons, thanks to its self-centring cut
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Split-point grinding:reduction of the drill tip.
Cylindrical shank: the diameter of the shank is equal to the diameter of the tip.
30° type N flute: normal flute profile with a 30° helix angle.
High-speed steel: HSS substrate
118° tip: 118° tip angle for the sharpening of the drill bit.
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