Stepped twist drill bit assortment Plain HSS Performance, three pieces
Stepped twist drill bit HSS Performance plain 3pcs
DRL-STEP-SORT-HSS-PERFORMANCE-(D4-30MM)
ZEBRA
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4 times longer service life
Compared to comparable bare 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
Datasheets(X)
- 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 of Performance stepped drill bits are ideal for processing sheet metal, panels, profiles and pipes made from conventional unalloyed steel with a strength of up to 900 N/mm2, aluminium, cast iron, brass, bronze, wood and plastics with a thickness of up to 4.0 mm. Alloyed steels with strengths of up to 900 N/mm2 can be processed up to a thickness of 2.0 mm.
- Ensure that there is sufficient cooling/lubrication
- 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
Number of pieces in assortment/set | 3 PCS |
Shank style | 3-face shank |
DRL-STEP-SPRL-HSS-PERFORMANCE-(D4-12MM)
ZEBRADRL-STEP-SPRL-HSS-PERFORMANCE-(D4-20MM)
ZEBRADRL-STEP-SPRL-HSS-PERFORMANCE-(D6-30MM)
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VVVV = 4 digits for prefix number (please note that the first digit is currently always 0)
AAA = 3 digits for dimension part 1
BBB = 3 digits for dimension part 2
Example article number structures:
Example 1: Screw with dimensions of 4x10 mm:
VVVVAAABBB
00574 10 (2 spaces between the 4 and the 10)
Example 2: Screw with dimensions of 10x20 mm:
VVVVAAABBB
005710 20 (1 space between the 10 and the 20)
Example 3: Flat washer with an internal diameter of 6 mm:
VVVVAAABBB
04076
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