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Stepped twist drill bit assortment HSS Multi Performance TiAIN, three pieces
The latest generation of Multi Performance stepped drill bits with TiAIN coating for maximum service life, significantly faster drilling with smooth running and greatly reduced formation of ridges when machining almost all thin-walled materials such as conventional steel with a strength of up to 1300 N/mm2, stainless steel, aluminium, cast iron, brass, bronze, wood and plastics.
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Variants
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9 times longer service life and up to 50% higher cutting speed
compared to conventional uncoated stepped drill bits
Improved centring and up to 100% faster spot drilling
Exclusive Speed grinding
Acceleration of the overall drilling process
Significantly lower feed forces
Optimised cutting geometry
- Completely smooth running without getting caught in the workpiece
- No distortion of sheet metal
- Improved roundness of the hole
- Greatly reduced formation of burrs on the edges
Up to 80% reduction in force exerted on the tool during the drilling process
Optimised cutting profile with smoother transitions between the individual stages
3-face shank
- No twisting in the drill chuck: faster, more comfortable working
- Optimum transmission of forces
- Protection of the drill chuck from damage
- Little effort required to open and close the drill chuck
For the stepped drill bits/material assignments, see the overview tables
- Centring, drilling, core drilling and deburring of sheet metal, pipes and profiles in a single step, when using both hand drills and stationary equipment.
- The latest generation, multi-performance, stepped drill bits are ideal for processing sheet metal, plates, profiles and pipes made of conventional non-alloyed steel up to 1300 N/mm2 in strength, aluminium, cast iron, brass, bronze, wood and plastics with a thickness of up to 4.0 mm. Alloyed steels with strengths of up to 1300 N/mm2 can be processed up to a thickness of 2.0 mm.
- Cooling not absolutely necessary, but significantly increases service life
- Make sure that the feed is even
- Observe the speed table
- Do not push during core drilling – the stepped drill bit will automatically retract into the sheet metal
Select RAL-colour code
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