620275 TiAlN High-speed steel HSS Co5 DIN 1880
Clamping element
Type N
Tool geometry
Feed direction possibility
Material HSS Co5
TiAlN coating.
D
js 16
d
H 7
l1 Z Item code On stock
40 16 32 6 620275.040 TiAlN Yes
50 22 36 8 620275.050 TiAlN No
63 27 40 8 620275.063 TiAlN No
80 27 45 10 620275.080 TiAlN No
100 32 50 10 620275.100 TiAlN Yes
125 40 56 14 620275.125 TiAlN No

Cutting conditions


Material

Strength

Ae

Ap

Vc
fz(mm/z)
Ø 40

Ø 50

Ø 63

Ø 80

Ø 100

Ø 125
P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 0,8xl1 0,75xD 56.25 0.08 0.085 0.1 0.105 0.11 0.115
P.2 | General construction steels, steel castings ≤ 850 N/mm² 0,8xl1 0,75xD 48.75 0.08 0.085 0.1 0.105 0.11 0.115
P.3 | Tool steels low alloyed ≤ 1100 N/mm² 0,8xl1 0,75xD 27 0.08 0.085 0.1 0.105 0.11 0.115
P.4 | Heat treatable steels ≤ 900 N/mm² 0,8xl1 0,75xD 37.5 0.08 0.085 0.1 0.105 0.11 0.115
P.5 | Tool steels high alloyed ≤ 1100 N/mm² 0,8xl1 0,75xD 27 0.08 0.085 0.1 0.105 0.11 0.115
M.2 | Corrosion- and acid-proof steels 750 - 850 N/mm² 0,8xl1 0,75xD 15 0.08 0.085 0.1 0.105 0.11 0.115
K.2 | Cast iron (> 240 HB) > 800 N/mm² 0,8xl1 0,75xD 33 0.08 0.085 0.1 0.105 0.11 0.115

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 Co5

Material HSS Co5

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Very high performance high speed steel with good toughness for milling cutters and for milling of materials up to the strength of 1200 MPa.
Type N

Type N

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Universal usage. Suitable for materials up to strength 900 MPa.
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.