580718.0220 High-speed steel HSS Co8
Clamping element
Norm ČSN 222814.
Tool geometry
Feed direction possibility
Material HSS Co8
ϱ D
js 14
d
h 6
l1 l2 D1
~
Z Item code On stock
2 20 25 160 80 25,6 4 580718.0220 Yes

Cutting conditions


Material

Strength

Ap

Ae

Vc
fz(mm/z)
Ø 8

Ø 10

Ø 12

Ø 20
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 0,5xl 0,5xD 45 0.029 0.036 0.044 0.073
P.2 | General construction steels, steel castings ≤ 850 N/mm² 0,5xl 0,5xD 39 0.029 0.036 0.044 0.073
P.3 | Tool steels low alloyed ≤ 1100 N/mm² 0,5xl 0,5xD 24 0.029 0.036 0.044 0.073
P.4 | Heat treatable steels ≤ 900 N/mm² 0,5xl 0,5xD 30 0.029 0.036 0.044 0.073
P.5 | Tool steels high alloyed ≤ 1100 N/mm² 0,5xl 0,5xD 24 0.029 0.036 0.044 0.073
P.6 | Tool and treated steels > 1100 N/mm² 0,5xl 0,5xD 20 0.0203 0.0252 0.0308 0.0511
K.1 | Cast iron (≤ 240 HB) ≤ 820 N/mm² 0,5xl 0,5xD 35 0.029 0.036 0.044 0.073
K.2 | Cast iron (> 240 HB) > 800 N/mm² 0,5xl 0,5xD 25 0.029 0.036 0.044 0.073
N.4 | Cooper-zinc alloys, cooper-tin alloys ≤ 800 N/mm² 0,5xl 0,5xD 80-120 0.029 0.036 0.044 0.073

Calculations of cutting conditions

Product attributes

Clamping element

Clamping element

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Straight shank with clamping flat (Weldon) according to DIN 1835 B.
Tool geometry

Tool geometry

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Helix angle = 25°. Rake angle = 12°.
Material HSS Co8

Material HSS Co8

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Extra high performance high speed steel with good toughness and great temperature resistance. It is applicable especially for milling of materials with high strength, austenitic steels, steels for warm working, etc.
Norm ČSN 222814.

Norm ČSN 222814.

Feed direction possibility

Feed direction possibility