Référence : 1145611
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Présentation
Bénéfices
High perf drill (3xØ) for very fast and intensive drilling of stainless steels thanks to its cobalt substrate and its 4-faces grinding. BLADE coated. Made in France.
MACHINE
Geometry
Application
Demandes
Sector of Activity
4-sided grinding: directly derived from the grinding of monobloc carbide drill bits. Flat cutting and undercutting sides with a constant clearance angle.
35° type N flute: normal flute profile with a 35° helix angle.
5% cobalt high-speed steel: HSS substrate enriched with 5% cobalt. Improved heat retention (strength, cutting sharpness)
135° tip: 135° tip angle for the sharpening of the drill bit.
BLADE coating: TiAlN+TiCN base, thickness 2/4µm, hardness 3300HV, coefficient of friction 0.4, heat resistance 700°C.
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