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Zund R75 3910756 Single-Flute CNC Router Bit

The Zund R75 3910756 is a single-flute router bit designed for compatible Zund CNC routing systems. It features a 3 mm cutting diameter, 3 mm shank and 11 mm maximum routing depth. It is suitable for routing selected rigid-board materials when used with compatible equipment and appropriate cutting parameters.

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Description
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Zund R75 3910756 Single-Flute CNC Router Bit

Specifications

Item Number: 3910756 (or 3921.R75.00 variant)
Shank Diameter: 3 mm
Routing / Cutting Diameter: 3 mm
Max Routing Depth: 11 mm
Total Tool Length: 38 mm
Flutes: 1 flute (single-flute, up-cut)
Max Rotation Speed: 63,600 rpm
Material: Solid tungsten carbide

Recommended Materials
Plastics: Expanded PVC (Forex), PE, PET, PETG, and PP
Wood Products: MDF, plywood, and various softwoods
Composites: Aluminum Composite Materials (ACM / Dibond)

Performance Characteristics
Manufactured from high-grade sintered carbide, the R75 utilizes a highly polished single flute. This smooth interior profile lowers friction, which prevents soft plastics and wood resins from melting or sticking to the bit. The up-cut dynamic excels when executing through-cuts on dense, thick, or gummy materials where maximizing chip evacuation is vital to preserving a flawless surface finish.

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