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Zund R73 Router Bit 3910754, 2mm Left-Hand Spiral

The Zund R73 3910754 is a single-flute, left-hand spiral router bit designed for compatible Zund CNC routing systems. It features a 2 mm cutting diameter, 3 mm shank and 6 mm maximum routing depth. This tool is intended for precision routing of suitable sheet materials when used with compatible equipment and appropriate cutting parameters.

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Description
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Zund R73 Router Bit 3910754, 2mm Left-Hand Spiral

Technical Specifications

Zünd Part Number: 3910754 (R73)
Flute Type: Single-flute, down-cut (negative twist)
Shank Diameter: 3 mm
Cutting Diameter: 2 mm
Cutting Depth / Length: 6 mm
Total Length: 38 mm

Cutting edges
1

Recommended Materials
Composites: Aluminum Composite Materials (ACM / Dibond)
Plastics & Foams: Expanded PVC (Forex), PE, PET, PETG, PP, and PA 6.6
Wood Products: Thin MDF, plywood, and softwoods

Performance Characteristics
Because of its small 2 mm cutting diameter and short 6 mm routing depth, the R73 offers exceptional structural stability. The down-cut layout forces thin or flexible materials to stay firmly flattened against the vacuum bed, eliminating the vibration and lifting common with up-cut tools. Additionally, its polished single flute prevents friction and prevents melting or resin buildup when processing gummy plastics and softwoods.

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