624278V TiAlN High-speed steel HSS Co8 DIN 1880
Clamping element
Type NR
Tool geometry
Feed direction possibility
Material HSS Co8
TiAlN coating.
D
js 16
d
H 7
l1 Z Item code On stock
40 16 32 6 624278V.040 TiAlN Yes
50 22 36 6 624278V.050 TiAlN Yes
63 27 40 8 624278V.063 TiAlN Yes
80 27 45 8 624278V.080 TiAlN Yes
100 32 50 10 624278V.100 TiAlN No
125 40 56 12 624278V.125 TiAlN No
160 50 63 14 624278V.160 TiAlN No

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 67,5 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 58,5 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 45 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 22,5 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 37,5 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 18 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

TiAlN coating.

TiAlN coating.

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Its advantage is in high hardness in higher temperaures, good oxidation resistance and low temperature conductivity. Universal usage with emphasis on high-speed miling without cooling. Siutable for milling of hard materials.