Conical countersink assortment 6 pieces. Yellow/blue-ring HSS bit 90° short
Conical countersink cassette HSS bit 90° short
CNTSNK-SORT-HSS-BIT-90GRD-(D6,3-20,5MM)
ZEBRA
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Burr- and chatter-free countersinking and deburring
Precision conical countersink with 3 cutting edges, precision-ground
Optimised geometry for hand-guided use
Less effort required, improved countersinking quality and chip removal compared to conventional conical countersinks
Standardised 1/4 inch hexagon shank
- No slipping in the drill chuck, fits bit holders
- Quick change between countersinking/screwing
Compact and practical ORSY®-system-compatible system cassette with useful details, such as stackability, optimised joint and easy opening
Datasheets(X)
Number of pieces in assortment/set | 6 PCS |
Material to be processed | Non-ferrous metal, Steel |
Quality | ZEBRA-Premium |
Cutting material | HSS |
Countersink angle | 90 Degree |
Surface | Plain |
Number of cutting edges | 3 PCS |
Shank style | Hexagon |
Service life (points system) | 2 of 4 points |
Countersinking speed (point system) | 2 of 4 points |
Countersinking quality (point system) | 2 of 4 points |
Versatility (points system) | 2 of 4 points |
Countersinking behaviour (point system) | 2 of 4 points |
Material of sub-group | General structural steels, Non-alloyed tempering steels, Alloyed tempering steels, Nitriding steels, Tool steels, High-speed steels, Cast iron, Ductile iron, Malleable cast iron |
Legend | |
vc = cutting speed [m/min] | |
f = feed (mm/r) | |
The suggested cutting values are reference values and must be adapted to the respective conditions. |
Conical countersink nominal diameter d1 | For countersunk head screws | For countersunk head screws |
DIN EN ISO 10642 (formerly DIN 7991) | DIN EN ISO 2009, 2010, 7046, 7047 (formerly DIN 963, 964, 965, 966) | |
6.3 mm | M3 | M3 |
8.3 mm | M4 | - |
10.4 mm | M5 | M4, M5 |
12.4 mm | M6 | M6 |
16.5 mm | M8 | M8 |
20.5 mm | - | M10 |
For dia. 12.4–20.5 | |||||
Material designation | Tensile strength | vc | f | ||
Dia. 12.4 | Dia. 16.5 | Dia. 20.5 | |||
General structural steels | ≤ 500 N/mm² | 15,8 | 0,020 | 0,020 | 0,020 |
≤ 1000 N/mm² | 15,8 | 0,020 | 0,020 | 0,020 | |
Unalloyed heat-treated steels | ≤ 700 N/mm² | 15,8 | 0,020 | 0,020 | 0,020 |
≤ 850 N/mm² | 15,8 | 0,020 | 0,020 | 0,020 | |
≤ 1000 N/mm² | 15,8 | 0,020 | 0,020 | 0,020 | |
Alloyed heat-treated steels | ≤ 1000 N/mm² | 13 | 0,020 | 0,015 | 0,015 |
≤ 1400 N/mm² | 13 | 0,020 | 0,015 | 0,015 | |
Nitriding steels | ≤ 1000 N/mm² | 13 | 0,020 | 0,015 | 0,015 |
≤ 1400 N/mm² | 13 | 0,020 | 0,015 | 0,015 | |
Tool steels | ≤ 850 N/mm² | 13 | 0,020 | 0,015 | 0,015 |
≤ 1400 N/mm² | 13 | 0,020 | 0,015 | 0,015 | |
High-speed steels | ≤ 1400 N/mm² | 13 | 0,020 | 0,015 | 0,015 |
Cast iron | ≤ 240 HB | 15,8 | 0,020 | 0,020 | 0,020 |
≤ 350 HB | 15,8 | 0,020 | 0,020 | 0,020 | |
Spheroidal-graphite and malleable iron | ≤ 240 HB | 15,8 | 0,020 | 0,020 | 0,020 |
≤ 350 HB | 15,8 | 0,020 | 0,020 | 0,020 | |
Chilled cast iron | ≤ 350 HB | 15,8 | 0,020 | 0,020 | 0,020 |
Aluminium and aluminium alloys | ≤ 400 N/mm² | 21,8 | 0,020 | 0,020 | 0,020 |
Aluminium wrought alloys | ≤ 650 N/mm² | 21,8 | 0,020 | 0,020 | 0,020 |
Aluminium cast alloys ≤ 10 % Si | ≤ 600 N/mm² | 21,8 | 0,020 | 0,020 | 0,020 |
Aluminium cast alloys > 10 % Si | ≤ 600 N/mm² | 21,8 | 0,020 | 0,020 | 0,020 |
Magnesium alloys | ≤ 400 N/mm² | 21,8 | 0,020 | 0,020 | 0,020 |
Copper, low-alloyed | ≤ 500 N/mm² | 21,8 | 0,020 | 0,020 | 0,020 |
Brass, short-chipping | ≤ 600 N/mm² | 21,8 | 0,020 | 0,020 | 0,020 |
Brass, long-chipping | ≤ 600 N/mm² | 21,8 | 0,020 | 0,020 | 0,020 |
Bronze, short-chipping | ≤ 600 N/mm² | 21,8 | 0,020 | 0,020 | 0,020 |
Bronze, short-chipping | ≤ 850 N/mm² | 21,8 | 0,020 | 0,020 | 0,020 |
Bronze, long-chipping | ≤ 850 N/mm² | 21,8 | 0,020 | 0,020 | 0,020 |
Bronze, long-chipping | ≤ 1000 N/mm² | 21,8 | 0,020 | 0,020 | 0,020 |
Plastics | ≤ 150 N/mm² | 21,8 | 0,020 | 0,020 | 0,020 |
For dia. 6.3–10.4 | |||||
Material designation | Tensile strength | vc | f | ||
Dia. 6.3 | Dia. 8.3 | Dia. 10.4 | |||
General structural steels | ≤ 500 N/mm² | 15,8 | 0,025 | 0,025 | 0,025 |
≤ 1000 N/mm² | 15,8 | 0,025 | 0,025 | 0,025 | |
Unalloyed heat-treated steels | ≤ 700 N/mm² | 15,8 | 0,025 | 0,025 | 0,025 |
≤ 850 N/mm² | 15,8 | 0,025 | 0,025 | 0,025 | |
≤ 1000 N/mm² | 15,8 | 0,025 | 0,025 | 0,025 | |
Alloyed heat-treated steels | ≤ 1000 N/mm² | 13 | 0,020 | 0,020 | 0,020 |
≤ 1400 N/mm² | 13 | 0,020 | 0,020 | 0,020 | |
Nitriding steels | ≤ 1000 N/mm² | 13 | 0,020 | 0,020 | 0,020 |
≤ 1400 N/mm² | 13 | 0,020 | 0,020 | 0,020 | |
Tool steels | ≤ 850 N/mm² | 13 | 0,020 | 0,020 | 0,020 |
≤ 1400 N/mm² | 13 | 0,020 | 0,020 | 0,020 | |
High-speed steels | ≤ 1400 N/mm² | 13 | 0,020 | 0,020 | 0,020 |
Cast iron | ≤ 240 HB | 15,8 | 0,025 | 0,025 | 0,025 |
≤ 350 HB | 15,8 | 0,025 | 0,025 | 0,025 | |
Spheroidal-graphite and malleable iron | ≤ 240 HB | 15,8 | 0,025 | 0,025 | 0,025 |
≤ 350 HB | 15,8 | 0,025 | 0,025 | 0,025 | |
Chilled cast iron | ≤ 350 HB | 15,8 | 0,025 | 0,025 | 0,025 |
Aluminium and aluminium alloys | ≤ 400 N/mm² | 21,8 | 0,025 | 0,025 | 0,025 |
Aluminium wrought alloys | ≤ 650 N/mm² | 21,8 | 0,025 | 0,025 | 0,025 |
Aluminium cast alloys ≤ 10 % Si | ≤ 600 N/mm² | 21,8 | 0,025 | 0,025 | 0,025 |
Aluminium cast alloys > 10 % Si | ≤ 600 N/mm² | 21,8 | 0,025 | 0,025 | 0,025 |
Magnesium alloys | ≤ 400 N/mm² | 21,8 | 0,025 | 0,025 | 0,025 |
Copper, low-alloyed | ≤ 500 N/mm² | 21,8 | 0,025 | 0,025 | 0,025 |
Brass, short-chipping | ≤ 600 N/mm² | 21,8 | 0,025 | 0,025 | 0,025 |
Brass, long-chipping | ≤ 600 N/mm² | 21,8 | 0,025 | 0,025 | 0,025 |
Bronze, short-chipping | ≤ 600 N/mm² | 21,8 | 0,025 | 0,025 | 0,025 |
Bronze, short-chipping | ≤ 850 N/mm² | 21,8 | 0,025 | 0,025 | 0,025 |
Bronze, long-chipping | ≤ 850 N/mm² | 21,8 | 0,025 | 0,025 | 0,025 |
Bronze, long-chipping | ≤ 1000 N/mm² | 21,8 | 0,025 | 0,025 | 0,025 |
Plastics | ≤ 150 N/mm² | 21,8 | 0,025 | 0,025 | 0,025 |
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Example 1: Screw with dimensions of 4x10 mm:
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00574 10 (2 spaces between the 4 and the 10)
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005710 20 (1 space between the 10 and the 20)
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04076
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