C40 (or C4040): Indicates a straight cylindrical Weldon shank diameter of 40 mm to fit standard side-lock tool holders securely.
4D: Represents the tool depth capacity. It can drill up to 4 times its own diameter into a solid metal block safely.
51: The exact hole cutting diameter is 51 mm.
209: The maximum flute working length (drilling depth) is 209 mm.
WC08: Built with specialized pocket geometries optimized for WC.. 0804.. series trigon inserts (e.g., WCMX 080412 or WCMT 080412). .
Compatible Spares & Accessories
Required Carbide Inserts: WCMX 080412 or WCMT 080412 (Needs two inserts simultaneously: one inner and one outer pocket).
Torx Screw Specs: Standard M4 x 8 mm or M4 x 9 mm insert locking screws.
Torx Wrench Key: T15 standard driver flag.