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Home Half circle milling cutters concave, code 820070, radius 1,6 mm 820070.016 High-speed steel HSS ~DIN 855A R D S d Z Item code On stock 1,6 50 8 16 14 820070.016 Yes
Cutting conditions p e c fz (mm/z) Ø 50Ø 63Ø 80Ø 100Ø 125P.1 | Free-cutting steels, general construction steels ≤ 600 N/mm² 1xR 2xR 30 0.08 0.1 0.12 0.14 0.142 P.4 | Heat treatable steels ≤ 900 N/mm² 1xR 2xR 20 0.08 0.1 0.12 0.14 0.142 K.1 | Cast iron (≤ 240 HB) ≤ 820 N/mm² 1xR 2xR 25 0.08 0.1 0.12 0.14 0.142 K.2 | Cast iron (> 240 HB) > 800 N/mm² 1xR 2xR 17 0.08 0.1 0.12 0.14 0.142
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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