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Esko Kongsberg Bit-Mud06-4016-64 G42455857 Multi-Purpose Up-Cut Router Bits
Esko Kongsberg BIT-MUD06-4016-64 (G42455857) is an original, solid tungsten carbide multi-purpose up-cut double-flute router bit. It is specifically engineered for high-performance milling applications on Kongsberg digital flatbed cutting tables equipped with the MultiCUT-HP or High-Power Milling Un…

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Esko Kongsberg Bit-Mud06-4016-64 G42455857 Multi-Purpose Up-Cut Router Bits

Key Architectural Details
Substrate: Sub-micron micrograin solid carbide for maximum structural stiffness and edge retention.
Double-Flute (Z2) Geometry: Features two cutting edges. This doubles the material removal rate per spindle revolution compared to single-flute tools.
Up-Cut Spiral: Pulls chips and heat up and away from the cut groove. This prevents chip recutting and localized friction welding.

Dimension Profiles
Part Number: G42455857 (42455857)
Shank Diameter: 6.0 mm
Cutting Diameter: 4.0 mm
Cutting Flute Length: 16.0 mm (Maximum safe milling depth is 14.0 mm)
Overall Tool Length: 64.0 mm


Material Applications
The double-flute design excels at producing clean edge finishes on rigid, dense sheets that require high stability:
Metals: Aluminum sheets and non-ferrous metal plates.
Composites: Aluminum Composite Material (ACM, Dibond, Alucobond).
Wood Panels: Hardwood, softwood, MDF, HDF, and multi-layer Baltic birch plywood.
Dense Plastics: Thick Acrylic (PMMA), Polycarbonate, and engineering plastics.

Operating Tips for Double Flutes
Chip Load Management: Because double-flute bits have smaller valleys (flute gaps) than single-flute tools, chips must be cleared quickly.
Increase Feed Speed: You must run this bit at a higher feed rate (travel speed) than a single-flute bit at the same RPM. Running it too slow will cause the bit to rub instead of cut, creating friction that destroys the carbide edge.

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