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Zund R203 Cnc Multipurpose Milling & Router Bits End Mill Cutters 5209419
Zund R203 CNC Multipurpose Milling and Router Bits, featuring End Mill Cutters under the model number 5209419, are designed to deliver exceptional performance across a range of applications Enquire now
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Zund Multipurpose Milling & Router Bits R203(5209419)
Zund Multipurpose Milling & Router Bits R203
The Zund R203 CNC multipurpose milling and router bit is a premium solid carbide end mill designed for high-performance routing, engraving, and drilling on digital flatbed cutters. It is widely used across Zund G3 and S3 cutting tables as well as compatible systems from Colex, Esko Kongsberg, and Summa. 


Key Technical Specifications
  • Routing Diameter ): 3.0 mm
  • Shank Diameter : 6.0 mm
  • Max Cutting Depth : 11.0 mm (Standard aftermarket variants offer up to 14 mm)
  • Total Length: 58 mm
  • Flute Geometry: Single O-Flute, Right-Hand Spiral (Up-Cut)
  • Maximum Rotation Speed: 50,000 to 60,000 RPM
  • Material Composition: Solid Tungsten Carbide (HRA 89~92.5)

Geometry & Performance Benefits
  • Up-Cut Design: The right-hand spiral forces chips upward out of the channel, preventing clogging and reducing heat buildup during high-speed operation.
  • Single O-Flute: Features a polished, wide flute valley optimized for fast chip evacuation, which is critical when machining melting-prone plastics or soft aluminum.
  • End Mill Profile: Engineered with flat bottom-cutting capabilities, producing highly precise square corners and a perfectly smooth finish on the bottom surface of partial cuts. 

Core Variations
  • Zund R203 (Part #5209419): The standard version without a stop ring, loaded manually into basic routing spindles.
  • Zund R203-A (Part #5211435): Includes an integrated stop ring. This variant is mandatory for machines equipped with an Automatic Router bit Changer (ARC) system to ensure automatic initialization and depth calibration. 

Recommended Applications & Materials
Classified as a "multipurpose" bit, the R203 balances structural rigidity and fine-cutting capabilities across soft, fibrous, and semi-rigid materials: 
  • Plastics: Acrylic (PMMA), Polycarbonate, Expanded PVC (Forex/Sintra), Polypropylene, and PETG.
  • Composites: Aluminum Composite Materials (ACM, Dibond, Alupanel).
  • Wood & Foams: MDF, Plywood, Sign Foam (HDPU), and hard paperboards.
  • Metals: Soft aluminum alloys (frequently paired with Minimum Quantity Lubrication or mist systems). 


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.                                                                                        
Zund Multipurpose Milling & Router Bits R203
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