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Box of 25 HSS metal drills
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 requried axial load.
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.
Cylindrical shank: the diameter of the shank is equal to the diameter of the tip. Enables versatile use on portable electrical tools and machine tools.
30° type N flute: normal flute profile with a 30° helix angle. Suitable for general use. Provides good rigidity to the tool, as well as excellent drilling precision.
5% cobalt high-speed steel: HSS substrate enriched with 5% cobalt. Improved heat retention (strength, cutting sharpness). For general use in metals up to 1200 N/mm².
- Height (cm)6.00
- Width (cm)11.50
- Length (cm)20.00
- Net weight (Kg)1.18
- For machineFloor machine drill, portable drill
- Characteristic 1Box of drill bits HSS 5% cobalt
- Diameter (mm)Ø 1- 1,5- 2- 2,5- 3- 3,5- 4- 4,5- 5- 5,5- 6- 6,5- 7- 7,5- 8- 8,5- 9- 9,5-10- 10,5- 11- 11,5- 12- 12,5- 13
- Shank (mm)Cylindrical
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