FIELD: metallurgy.
SUBSTANCE: invention relates to metal working and can be used in milling operations. Replaceable milling head (10) rotated in cutting direction (RD) around longitudinal central axis (S) defining forward direction (F) and backward opposite direction (R) has front cutting part (20) and rear threaded connection part (40) for connection with shank (46). Cutting part (20) includes two or more key-driven parts (32a, 32c), which facilitate installation of milling head (10) on shank (46). Cutting part (20) includes a plurality of spiral flutes (26) for chips alternating with cutting edges (28). At least one or more cutting edges (28) and grooves (26) extend in the axial direction backwards from at least part of keyed parts (32a, 32c).
EFFECT: reduced vibration during processing.
16 cl, 7 dwg
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