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Zund R40 3910730 Single-Flute CNC Router Bit

Zund R40 Tungsten Carbide Cnc Milling & Router Bits For Zund Machines 3910730 Production, Manufacturing, Sales, Wholesale, Quality, Price, Origin, Supply, Factory

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Description
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Zund R40 3910730 Single-Flute CNC Router Bit

Key Specifications

Zünd Item Number: 3910730
Routing Diameter: 1 mm
Shank Diameter: 3 mm
Routing Depth: 4 mm
Total Length / Designation: Ø1/4/1 (Ø3/38 mm)
Cutting Edges (Flutes): 1 (Single flute, up-cut)
Max Rotation Speed: Up to 80,000 RPM

Features

Up-Cut Design: Pulls chips upward for clean chip evacuation.
Material Protection: Built to reduce the risk of melting, chipping, or burring in rigid and abrasive plastic or metal substrates.

Recommended Materials
The R40 bit is optimized to prevent melting, chipping, or burring on specific tough and abrasive materials, including:
Acrylic (PMMA)
Aluminum sheet and composite panels
Polycarbonate
Other rigid plastics (such as Dibond and dense PVC)

Operational Geometry
Because it utilizes a single-flute up-cut spiral design, the tool provides exceptional chip clearance. At high spindle speeds up to 80,000 RPM, it rapidly pulls waste material upward away from the cutting track. This prevents heat build-up and ensures clean, burr-free edge qualities on thin sheet stocks under 4mm deep.

Replacement for:
Zund R40 / 3910730
Zund R71 / 3910752
Esko BIT-MUS03-1004-38 / G42443390
Esko BIT-AUS03-1004-30 / G42443614

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