121518.050 High-speed steel HSS Co8 DIN 844L
Clamping element
Type N
Tool geometry
Feed direction possibility
Feed direction possibilityD=2
Material HSS Co8
End mills long, 1 tooth cut over centre, 30°, type N, Weldon shank
D
k 10
d
h 6
l1 l2 Z Item code On stock
5 6 68 24 4 121518.050 Yes

D 40 ≠ DIN 844L

Cutting conditions


Material

Strength

Ap

Ae

Vc
fz(mm/z)
Ø 3

Ø 6

Ø 8

Ø 10

Ø 12

Ø 16

Ø 18

Ø 20

Ø 25

Ø 32

Ø 40
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 1xD 0,1xD 45 0.006 0.015 0.021 0.028 0.034 0.044 0.051 0.057 0.071 0.091 0.11
P.2 | General construction steels, steel castings ≤ 850 N/mm² 1xD 0,1xD 39 0.006 0.015 0.021 0.028 0.034 0.044 0.051 0.057 0.071 0.091 0.11
P.3 | Tool steels low alloyed ≤ 1100 N/mm² 1xD 0,1xD 24 0.006 0.015 0.021 0.028 0.034 0.044 0.051 0.057 0.071 0.091 0.11
P.4 | Heat treatable steels ≤ 900 N/mm² 1xD 0,1xD 30 0.006 0.015 0.021 0.028 0.034 0.044 0.051 0.057 0.071 0.091 0.11
P.6 | Tool and treated steels > 1100 N/mm² 1xD 0,1xD 20 0.0042 0.0105 0.0147 0.0196 0.0238 0.0308 0.0357 0.0399 0.0497 0.0637 0.077
M.2 | Corrosion- and acid-proof steels 750 - 850 N/mm² 1xD 0,1xD 15 0.006 0.015 0.021 0.028 0.034 0.044 0.051 0.057 0.071 0.091 0.11
K.2 | Cast iron (> 240 HB) > 800 N/mm² 1xD 0,1xD 35 0.006 0.015 0.021 0.028 0.034 0.044 0.051 0.057 0.071 0.091 0.11
N.2 | Aluminium cast alloys Si (Si ≤ 12%) ≤ 600 N/mm² 1xD 0,1xD 160-300 0.0078 0.0195 0.0273 0.0364 0.0442 0.0572 0.0663 0.0741 0.0923 0.1183 0.143
S.1 | Chrome-nickel alloys ≤ 1500 N/mm² 1xD 0,1xD 12 0.0042 0.0105 0.0147 0.0196 0.0238 0.0308 0.0357 0.0399 0.0497 0.0637 0.077

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 = 30°. Rake angle = 8°.
Feed direction possibility

Feed direction possibility

Type N

Type N

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Universal usage. Suitable for materials up to strength 900 MPa.
Feed direction possibility

Feed direction possibility

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.