Zund R28 Cnc Milling & Router Bits 3910708 For Zund Digital Cutter Cutting Systems Flatbed Cutter
Zund R28 solid carbide router bit (3910708) is a premium double-edged milling tool designed specifically for high-speed precision routing on Zund digital flatbed cutting systems. Optimized for use with the Zund 150W and 450W spindle modules, it handles rotational speeds up to 80,000 RPM
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Zund Milling & Router Bits R28(3910708)

Technical Overview
- Part Number: 3910708
- Model Designation: Zund R28
- Geometry: Up-cut spiral flute configuration. This design efficiently pulls chips up and away from the working material to prevent clogging and overheating.
- Material Composition: Fine-grain solid tungsten carbide (TC) for maximum wear resistance, structural stiffness, and an extended production lifespan.
System Compatibility
This bit is designed to integrate natively into Zund flatbed digital cutters equipped with router modules (such as the RM-A, RM-S, or RM-L modules). It is widely used across standard flatbed platforms, including the Zund G3 Cutter series. Because it matches precise OEM physical tolerances, it is also frequently adapted by operators running alternative heavy-duty digital finishing tables from brands like Kongsberg, Colex, and Summa.
Material Applications
The R28 up-cut geometry is optimized for clean edge routing and high-feed-rate profiling through a variety of rigid, semi-rigid, and composite substrates:
- Plastics & Polymers: Acrylic (PMMA), Polycarbonate, Expanded PVC (Forex), and Polypropylene.
- Composites: Aluminum Composite Materials (ACM, Dibond).
- Wood Composites: Medium-Density Fiberboard (MDF) and solid wood sheet goods.
- Heavy Foams: Gatorfoam, structural polyurethane foam, and heavy-duty graphics boards.
OYEA Knives manufactures and supplies a full line of both STANDARD and CUSTOM leather cutting knives and blades. All of our standard leather cutting knives are manufactured to exceed the exact OEM standards.
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Zund Punching Tools, Cutting Knife Blades, Milling, and Router Bits form an essential part of our product line, catering to both precision and durability. Furthermore, Zund cutting and routing underlays are designed to offer optimal support for advanced cutting operations. Our expertise spans the realms of production, manufacturing, wholesale, sales, and continuous supply, assured by the high quality and competitive pricing we maintain across all offerings.