120218K High-speed steel HSS Co8
Clamping element
Company norm
Type N
Tool geometry
Feed direction possibility
Material HSS Co8
End mills extra short, type N, Weldon shank
D
k 10
d
h 6
l1 l2 Z Item code On stock
30 20 90 30 6 120218K.300030 No
32 20 90 30 6 120218K.320030 Yes
35 20 90 30 6 120218K.350030 Yes
40 25 95 32 8 120218K.400032 No
50 32 100 36 8 120218K.500036 Yes

Cutting conditions


Material

Strength

Ap

Ae

Vc
fz(mm/z)
Ø 30

Ø 35

Ø 40

Ø 50
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 1xD 0,1xD 45 0.085 0.098 0.11 0.13
P.2 | General construction steels, steel castings ≤ 850 N/mm² 1xD 0,1xD 39 0.085 0.098 0.11 0.13
P.3 | Tool steels low alloyed ≤ 1100 N/mm² 1xD 0,1xD 24 0.085 0.098 0.11 0.13
P.4 | Heat treatable steels ≤ 900 N/mm² 1xD 0,1xD 30 0.085 0.098 0.11 0.13
M.2 | Corrosion- and acid-proof steels 750 - 850 N/mm² 1xD 0,1xD 15 0.085 0.098 0.11 0.13
N.4 | Cooper-zinc alloys, cooper-tin alloys ≤ 850 N/mm² 1xD 0,1xD 80-120 0.085 0.098 0.11 0.13

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.
Type N

Type N

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

Feed direction possibility

Company norm

Company norm

Tool geometry

Tool geometry

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Helix angle = 30°. 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.