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Zund R43 Carbide Milling & Router Bits 3910737 For Zund Cutters

Zund R43 (3910737), Zund R75 (3910756), Esko BIT-MUS03-3011-38 (G42443440), Esko BIT-AUS03-3011-38 (G42443697), and Colex T00499 Carbide Milling & Router Bits are cutting-edge tools designed for precision manufacturing processes. These products are offered by Shenzhen Oyea Machinery Co., Ltd.,
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Description

Zund Milling & Router Bits R43(3910737)

Zund R43 CNC Solid Carbide Milling & Router Bit (Item No. 3910737) is a specialized single-flute tool engineered specifically for high-speed cutting and polished edge finishing on rigid plastics and non-ferrous metals. Utilizing a right-hand spiral (up-cut) configuration, the R43 is the industry standard for delivering optical-grade edge clarity when routing clear sheets on digital flatbed cutters.

Key Technical Specifications

Item Number: 3910737
Bit Type: Polished Right-Hand Twist (Up-cut)
Number of Cutting Edges: 1 (Single Flute O-Flute)
Routing / Cutting Diameter: 3 mm
Shank Diameter: 3 mm
Routing / Cutting Depth: 11 mm
Total Bit Length: 38 mm
Maximum Rotation Speed: Up to 80,000 RPM
Compatible Tooling Modules: URT (Universal Routing Tool), WURT, PN 150/450

Recommended Materials

Rigid Plastics: Acrylic / Plexiglass (PMMA), Polycarbonate (PC), and PETG
Metals & Composites: Aluminum sheets and Aluminum Composite Materials (ACM / Dibond)

Performance Characteristics

The R43 is optimized for heat-sensitive plastics. Its single O-flute geometry features a highly mirrored inner grind that reduces friction as plastic chips pass through the tool. Because it is an up-cut bit, it aggressively evacuates hot chips upward out of the groove, preventing them from melting and welding back to the freshly cut edge. This rapid chip clearance is crucial for achieving a crystal-clear, smooth finish on acrylic without requiring secondary flame-polishing.

While the R43 shares the exact same 3x3x11mm dimensions as the R75 bit, the R43 features a specialized raker grind tailored specifically for the hardness profiles of acrylic and aluminum, whereas the R75 features an all-round geometry more suited toward dense foams and woods.

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.