Zund R219-A 5211734 Tungsten Carbide Router Bit with Stop Ring
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The Zund R219-A 5211734 Tungsten Carbide Router Bit is a replacement-compatible CNC routing tool designed for foam board and lightweight foam processing. It features a 6 mm cutting diameter, 6 mm shank, two cutting edges and a maximum routing depth of 40 mm.
Zund R219-A 5211734 Tungsten Carbide Router Bit with Stop Ring

Key Specifications
Zünd Item Number: 5211734
Designation ("-A"): Pre-fitted with a precision integrated stop ring for use with automated routing/tool systems such as the ARC (Automatic Router Bit Changer).
Shank Diameter: 6 mm
Routing / Cutting Diameter: 6 mm
Max Routing Depth / Cutting Length: 40 mm
Total Length: 85 mm
Flutes: 2 (Up-cut / right-hand twist)
Max Rotation Speed: 48,000 RPM
Purpose of the Integrated Stop Ring
The stop ring is highly functional, serving automated systems to eliminate manual intervention:
ARC Systems: Tailor-made for Zund cutters operating the Automatic Router Bit Changer (ARC). The carousel grabs, seats, and drops the bit based on the ring's exact vertical offset.
QC Spindles: Compatible with pneumatic Quick-Change (QC) router modules (such as the RM-A QC and RM-A QC ARC heads).
Instant Calibration: Guarantees identical height registry, preventing the tool tip from crashing into the matrix bed or failing to cut through the material completely.
Target Material Applications
The dual-flute upcut design balances rapid chip evacuation with structural rigidity. It is primarily engineered for deep-plunge milling through lightweight, thick, or semi-rigid substrates:
Technical Foams: Polyethylene (PE) foams, cross-linked polyethylene, and Expanded Polystyrene (XPS).
Signage Backings: Thick, dense hardfoam boards and lightweight sandwich materials.


Key Specifications
Zünd Item Number: 5211734
Designation ("-A"): Pre-fitted with a precision integrated stop ring for use with automated routing/tool systems such as the ARC (Automatic Router Bit Changer).
Shank Diameter: 6 mm
Routing / Cutting Diameter: 6 mm
Max Routing Depth / Cutting Length: 40 mm
Total Length: 85 mm
Flutes: 2 (Up-cut / right-hand twist)
Max Rotation Speed: 48,000 RPM
Purpose of the Integrated Stop Ring
The stop ring is highly functional, serving automated systems to eliminate manual intervention:
ARC Systems: Tailor-made for Zund cutters operating the Automatic Router Bit Changer (ARC). The carousel grabs, seats, and drops the bit based on the ring's exact vertical offset.
QC Spindles: Compatible with pneumatic Quick-Change (QC) router modules (such as the RM-A QC and RM-A QC ARC heads).
Instant Calibration: Guarantees identical height registry, preventing the tool tip from crashing into the matrix bed or failing to cut through the material completely.
Target Material Applications
The dual-flute upcut design balances rapid chip evacuation with structural rigidity. It is primarily engineered for deep-plunge milling through lightweight, thick, or semi-rigid substrates:
Technical Foams: Polyethylene (PE) foams, cross-linked polyethylene, and Expanded Polystyrene (XPS).
Signage Backings: Thick, dense hardfoam boards and lightweight sandwich materials.

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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