624278V.040 High-speed steel HSS Co8 DIN 1880
Clamping element
Type NR
Tool geometry
Feed direction possibility
Material HSS Co8
Shell end mills, semicoarse teeth, type NR
D
js 16
d
H 7
l1 Z Item code On stock
40 16 32 6 624278V.040 Yes

Cutting conditions


Material

Strength

Ap

Ae

Vc
fz(mm/z)
Ø 40

Ø 50

Ø 63

Ø 80

Ø 100

Ø 125

Ø 160
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 0.14 0.144
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 0.14 0.144
P.4 | Heat treatable steels ≤ 900 N/mm² 0,8xl1 0,75xD 30 0.096 0.102 0.12 0.132 0.138 0.14 0.144
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 0.14 0.144
K.2 | Cast iron (> 240 HB) > 800 N/mm² 0,8xl1 0,75xD 25 0.096 0.102 0.12 0.132 0.138 0.14 0.144
S.1 | Chrome-nickel alloys ≤ 1500 N/mm² 0,8xl1 0,75xD 12 0.067 0.071 0.084 0.092 0.097 0.098 0.101

Calculations of cutting conditions

Product attributes

Clamping element

Clamping element

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Straight bore with standard keyway and driving slot according to DIN 138.
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.
Type NR

Type NR

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For roughing operation and materials of lower and medium strength (up to 700 MPa), surface roughness Ra 12,5 and more.
Feed direction possibility

Feed direction possibility