620973 High-speed steel HSSE
Clamping element
Norm ČSN 222052.
Type N
Tool geometry
Feed direction possibility
Material HSSE
D
js 61
d
H 7
l1 Z Item code On stock
40 16 32 6 620973.040 No
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 0,8xl1 0,75xD 30 0.08 0.085 0.1 0.11 0.12
P.2 | General construction steels, steel castings ≤ 850 N/mm² 0,8xl1 0,75xD 26 0.08 0.085 0.1 0.11 0.12
P.4 | Heat treatable steels ≤ 900 N/mm² 0,8xl1 0,75xD 20 0.08 0.085 0.1 0.11 0.12
K.2 | Cast iron (> 240 HB) > 800 N/mm² 0,8xl1 0,75xD 17 0.08 0.085 0.1 0.11 0.12

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.
Type N

Type N

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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

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

Material HSSE

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