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810070.250 High-speed steel HSS ~DIN 856 R D S d Z Item code On stock 25 160 50 40 12 810070.250 Yes
Cutting conditions p e c fz (mm/z) Ø 50Ø 63Ø 80Ø 100Ø 125Ø 160P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 1xR 1xS 30 0.08 0.1 0.12 0.14 0.142 0.145 P.4 | Heat treatable steels ≤ 900 N/mm² 1xR 1xS 20 0.08 0.1 0.12 0.14 0.142 0.145 K.1 | Cast iron (≤ 240 HB) ≤ 820 N/mm² 1xR 1xS 25 0.08 0.1 0.12 0.14 0.142 0.145 K.2 | Cast iron (> 240 HB) > 800 N/mm² 1xR 1xS 17 0.08 0.1 0.12 0.14 0.142 0.145
Calculations of cutting conditions
Product attributes Straight bore with standard keyway according to DIN 138.
Helix angle = 0°. Rake angle = 10°.
Universal usage. Suitable for materials up to strength 900 MPa.
High speed steel of average performance, it is applicable especially for cutters of smaller diameters and for milling of materials up to the strength of 900 MPa.
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