420940High-speed steel HSSDIN 845
Clamping element
Type N
Tool geometry
Feed direction possibility
Material HSS
Tapper shank end mills short, semicoarse teeth, 35°, type N
D
js 14
MK l1 l2 Z Item codeOn stock
202123384 420940.200 Yes
222123385 420940.220 Yes
253154505 420940.250 Yes
283154505 420940.280 Yes
303154506 420940.300 Yes
324178536 420940.320 Yes
364178536 420940.360 Yes
404188636 420940.400 Yes
454188636 420940.450 Yes
505228706 420940.500 Yes
635241808 420940.630 Yes

MK 3 a MK 5 ≠ DIN 845

Cutting conditions


Material

Strength

Ap

Ae

Vc
fz(mm/z)
Ø 20

Ø 25

Ø 32

Ø 40

Ø 50

Ø 63
P.1 | Free-cutting steels, general construction steels≤ 600 N/mm²1xD0,1xD300.0570.0710.0910.110.120.13
P.2 | General construction steels, steel castings≤ 850 N/mm²1xD0,1xD260.0570.0710.0910.110.120.13
P.4 | Heat treatable steels≤ 900 N/mm²1xD0,1xD200.0570.0710.0910.110.120.13
K.1 | Cast iron (≤ 240 HB)≤ 820 N/mm²1xD0,1xD250.0570.0710.0910.110.120.13

Calculations of cutting conditions

Product attributes

Clamping element

Clamping element

more +
Morse taper shank according to DIN 228 A.
Tool geometry

Tool geometry

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

Material HSS

more +
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.
Type N

Type N

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

Feed direction possibility