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Tivoly Drill for metal 4 mm, COBALT HSS-E8, fully ground, angle 135°. INCOCUT
3836293 3221910888046
Shipping 9-12 b.d.
All about the product
•Split-point grinding: reduction of the drill tip. Enables the simple self-centring of the drill bit on the smoothest of surfaces. Significantly
•reduces the required axial load.
•28° type N flute: normal flute profile with a 28° helix angle. Suitable for general use. Provides good rigidity to the tool, as well as
•excellent drilling precision.
•8% cobalt high-speed steel: HSS substrate enriched with 5% cobalt. Improved heat retention (strength, cutting sharpness). For general
•use in metals up to 1400 N/mm2;
•135° tip: 135° tip angle for the sharpening of the drill bit. Suitable for strong and difficult materials. Enables a shorter and stronger
•cutting edge, thus prolonging the service life.
•INCOCUT coating: Thickness 2/4μm, hardness 3200 HV, coefficient of friction 0.35, resistance to heat (1100°C). Allows for a significant
•increase in cutting conditions. High oxidation resistance (high temperatures). Only for steel, stainless steel and titanium alloys.
