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High-performance drill bit for incredibly fast and intensive drilling of high-strength steel and stainless steel sheet metal, thanks to its geometry and its TiAlN coating.
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Split-point grinding:reduction of the drill tip.
TiAlN coating: TiAlN base, thickness 2/4µm, hardness 3000HV, coefficient of friction 0.4, heat resistance 900°C.
Tri-flat shank: cylindrical shank with 3x 120° flats, for 3-piece drill chucks.
5% cobalt high-speed steel: HSS substrate enriched with 5% cobalt. Improved heat retention (strength, cutting sharpness)
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