531718 High-speed steel HSS Co8 ~DIN 1889
Clamping element
Tool geometry
Feed direction possibility
Material HSS Co8
Ball nose end mills long, semicircular teeth, Weldon shank
R D
k 12
d
h 6
l1 l2 λ
~
Z Item code On stock
2 4 6 63 19 15 4 531718.040 Yes
2,5 5 6 68 24 15 4 531718.050 Yes
3 6 6 68 24 25 4 531718.060 Yes
4 8 10 88 38 25 4 531718.080 Yes
5 10 10 95 45 35 4 531718.100 Yes
6 12 12 110 53 35 4 531718.120 Yes
8 16 16 123 63 35 4 531718.160 Yes
10 20 20 141 75 35 4 531718.200 Yes

Cutting conditions


Material

Strength

Ap

Ae

Vc
fz(mm/z)
Ø 6

Ø 8

Ø 10

Ø 12

Ø 16

Ø 18

Ø 20
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 0,5xD 1xD 45 0.022 0.029 0.036 0.044 0.058 0.065 0.073
P.2 | General construction steels, steel castings ≤ 850 N/mm² 0,5xD 1xD 39 0.022 0.029 0.036 0.044 0.058 0.065 0.073
P.3 | Tool steels low alloyed ≤ 1100 N/mm² 0,5xD 1xD 24 0.022 0.029 0.036 0.044 0.058 0.065 0.073
P.4 | Heat treatable steels ≤ 900 N/mm² 0,5xD 1xD 30 0.022 0.029 0.036 0.044 0.058 0.065 0.073
P.5 | Tool steels high alloyed ≤ 1100 N/mm² 0,5xD 1xD 24 0.022 0.029 0.036 0.044 0.058 0.065 0.073
P.6 | Tool and treated steels > 1100 N/mm² 0,5xD 1xD 20 0.0154 0.0203 0.0252 0.0308 0.0406 0.0455 0.0511
M.2 | Corrosion- and acid-proof steels 750 - 850 N/mm² 0,5xD 1xD 15 0.022 0.029 0.036 0.044 0.058 0.065 0.073
K.1 | Cast iron < 240 HB 0,5xD 1xD 35 0.022 0.029 0.036 0.044 0.058 0.065 0.073
K.2 | Cast iron > 240 HB 0,5xD 1xD 25 0.022 0.029 0.036 0.044 0.058 0.065 0.073
N.4 | Cooper-zinc alloys, cooper-tin alloys ≤ 850 N/mm² 0,5xD 1xD 80-120 0.022 0.029 0.036 0.044 0.058 0.065 0.073
S.1 | Chrome-nickel alloys ≤ 1500 N/mm² 0,5xD 1xD 12 0.0154 0.0203 0.0252 0.0308 0.0406 0.0455 0.0511

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.
Feed direction possibility

Feed direction possibility

Tool geometry

Tool geometry

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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.