Shell end mills, semicoarse teeth, type N
D
js 61
d
H 7
l1 Z Item code On stock
40 16 32 6 620973.040 Yes
50 22 36 8 620973.050 Yes
63 27 40 8 620973.063 No
80 27 45 10 620973.080 No
100 32 50 10 620973.100 Yes
125 40 56 12 620973.125 Yes
160 50 63 14 620973.160 Yes

Cutting conditions


Material

Strength

Ap

Ae

Vc
fz(mm/z)
Ø 40

Ø 50

Ø 80

Ø 100

Ø 160
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 0,05xD 0,75xD 30 0.08 0.085 0.11 0.11 0.12
P.2 | General construction steels, steel castings ≤ 850 N/mm² 0,05xD 0,75xD 26 0.08 0.085 0.11 0.11 0.12
P.4 | Heat treatable steels ≤ 900 N/mm² 0,05xD 0,75xD 20 0.08 0.085 0.11 0.11 0.12
K.2 | Cast iron > 240 HB 0,05xD 0,75xD 17 0.08 0.085 0.11 0.11 0.12

Calculations of cutting conditions

Product attributes

Clamping element

Clamping element

more +
Straight bore with standard keyway and driving slot according to DIN 138.
Type N

Type N

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

Feed direction possibility

Norm ČSN 222052.

Norm ČSN 222052.

Tool geometry

Tool geometry

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

Material HSSE

more +
Cast steel with very high performance and good toughness, applicable especially for tools of bigger diameters and side and face milling cutters.