Zund R205 5209421 Tungsten Carbide Spiral Router Bit
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The Zund R205 5209421 Tungsten Carbide Spiral Router Bit is a single-flute up-cut milling tool designed for compatible Zünd CNC routing and digital cutting systems. It features a 5mm cutting diameter, 6mm shank and 16mm maximum routing depth for precision machining applications.
Zund R205 5209421 Tungsten Carbide Spiral Router Bit

Technical Specifications
Part Number (Standard): 5209421 (Zund R205)
Part Number (With Stop Ring): 5211437 (Zund R205-A)
Flute Geometry: Single Flute (Z1), Right-Hand Twist / Up-Cut
Routing / Cutting Diameter: 5.0 mm
Shank Diameter: 6.0 mm
Max Cutting / Routing Depth: 16.0 mm
Overall Length: 58 mm
Max Rotation Speed: 50,000 RPM
Compatible Tool Modules: RM-A, RM-A QC, RM-S, RM-L, R45-s
Cutting Method
Route, Engrave
Flute Specs
Polished Single O flute - Up Cut
Operational Tips
Vacuum Power: Because the R205 is an upcut bit, it will pull the material upward. Ensure your Zund vacuum table is on high and that you are using a clean underlay (felt or PVC) to maintain suction.
RPM Management: For acrylic, keep your spindle speed high but monitor the chip size. If the chips are fine "dus


Technical Specifications
Part Number (Standard): 5209421 (Zund R205)
Part Number (With Stop Ring): 5211437 (Zund R205-A)
Flute Geometry: Single Flute (Z1), Right-Hand Twist / Up-Cut
Routing / Cutting Diameter: 5.0 mm
Shank Diameter: 6.0 mm
Max Cutting / Routing Depth: 16.0 mm
Overall Length: 58 mm
Max Rotation Speed: 50,000 RPM
Compatible Tool Modules: RM-A, RM-A QC, RM-S, RM-L, R45-s
Cutting Method
Route, Engrave
Flute Specs
Polished Single O flute - Up Cut
Operational Tips
Vacuum Power: Because the R205 is an upcut bit, it will pull the material upward. Ensure your Zund vacuum table is on high and that you are using a clean underlay (felt or PVC) to maintain suction.
RPM Management: For acrylic, keep your spindle speed high but monitor the chip size. If the chips are fine "dus

If you have more questions to know ,please contact us .
Our team at Maisi Blades is dedicated to providing excellent customer service and we are always ready to assist you with any information you may need.
Whether it’s regarding our blade products, pricing, delivery options, or any other related queries, we are here to help.
Thank you for considering Maisi Blades as your trusted partner in the industry. We look forward to hearing from you soon!
Shenzhen Maisi Blades Co., Ltd.
Email: info@maisi-blades.com 798090832@qq.com
qq: 798090832
WeChat: 15983853385
Our team at Maisi Blades is dedicated to providing excellent customer service and we are always ready to assist you with any information you may need.
Whether it’s regarding our blade products, pricing, delivery options, or any other related queries, we are here to help.
Thank you for considering Maisi Blades as your trusted partner in the industry. We look forward to hearing from you soon!
Shenzhen Maisi Blades Co., Ltd.
Email: info@maisi-blades.com 798090832@qq.com
qq: 798090832
WeChat: 15983853385
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