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Home Search Shell end mills, semicoarse teeth, type NR, code 624275, diameter 40 mm
624275.040
High-speed steel HSS Co5
DIN 1880
D
d
l1
Z
Item code
On stock
40
16
32
6
624275.040
Yes
Cutting conditions
e p c fz (mm/z) Ø 40Ø 50Ø 63Ø 80Ø 100
P.1 | Free-cutting steels, general construction steels
≤ 600 N/mm²
0,8xl1
0,75xD
45
0.096
0.102
0.12
0.132
0.138
P.2 | General construction steels, steel castings
≤ 850 N/mm²
0,8xl1
0,75xD
39
0.096
0.102
0.12
0.132
0.138
P.4 | Heat treatable steels
≤ 900 N/mm²
0,8xl1
0,75xD
30
0.096
0.102
0.12
0.132
0.138
M.2 | Corrosion- and acid-proof steels
750 - 850 N/mm²
0,8xl1
0,75xD
15
0.096
0.102
0.12
0.132
0.138
K.2 | Cast iron (> 240 HB)
> 800 N/mm²
0,8xl1
0,75xD
25
0.096
0.102
0.12
0.132
0.138
Calculations of cutting conditions
Product attributes
Straight bore with standard keyway and driving slot according to DIN 138.
Helix angle = 30°.
Rake angle = 12°.
Very high performance high speed steel with good toughness for milling cutters and for milling of materials up to the strength of 1200 MPa.
For roughing operation and materials of lower and medium strength (up to 700 MPa), surface roughness Ra 12,5 and more.
Feed direction possibility
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