422940 High-speed steel HSS DIN 845
Clamping element
Type CB
Type N
Tool geometry
Feed direction possibility
Material HSS
End mills short, semicoarse teeth, type N, Morse taper shank
D
js 14
MK l1 l2 Z Item code On stock
20 2 123 38 4 422940.200 Yes
22 2 123 38 5 422940.220 Yes
25 3 154 50 5 422940.250 Yes
28 3 154 50 5 422940.280 Yes
30 3 154 50 6 422940.300 No
32 4 178 53 6 422940.320 Yes
36 4 178 53 6 422940.360 Yes
40 4 188 63 6 422940.400 Yes
45 4 188 63 6 422940.450 Yes
50 5 228 70 8 422940.500 Yes
63 5 241 80 8 422940.630 Yes

MK 3 a MK 5 ≠ DIN 845

Cutting conditions


Material

Strength

Ap

Ae

Vc
fz(mm/z)
Ø 10

Ø 12

Ø 16

Ø 18

Ø 20

Ø 25

Ø 32

Ø 40

Ø 50
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 1,5xD 0,5xD 30 0.035 0.04 0.07 0.08 0.09 0.1 0.12 0.14 0.18
P.2 | General construction steels, steel castings ≤ 850 N/mm² 1,5xD 0,5xD 26 0.035 0.04 0.07 0.08 0.09 0.1 0.12 0.14 0.18
P.4 | Heat treatable steels ≤ 900 N/mm² 1,5xD 0,5xD 20 0.035 0.04 0.07 0.08 0.09 0.1 0.12 0.14 0.18
K.1 | Cast iron < 240 HB 1,5xD 0,5xD 25 0.035 0.04 0.07 0.08 0.09 0.1 0.12 0.14 0.18

Calculations of cutting conditions

Product attributes

Clamping element

Clamping element

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Morse taper shank according to DIN 228 A.
Type N

Type N

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

Feed direction possibility

Type CB

Type CB

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Chip Breaker – universal application for roughing.
Tool geometry

Tool geometry

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Helix angle = 35°. Rake angle = 12°.
Material HSS

Material HSS

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High speed steel of average performance, it is applicable especially for cutters of smaller diameters and for milling of materials up to the strength of 900 MPa.