Down-Cut Chip-Breaker Router Bit | Taiwan Carbide Tool Manufacturer | STARTECH
Down-Cut Chip-Breaker Router Bit is engineered to enhance routing performance with a large cutting angle and overlapping flute design, combined with a downward chip evacuation design. It is ideal for one-pass processing and routing, improving chip removal and delivering cleaner board edges to ensure superior machining quality.
It is widely used for PCB materials such as FR-2, FR-3, FR-4, FR4-ML, PTFE, Aramide, High Tg 150 ~ 190 PCBs, BT substrates, and filler-added laminates. STARTECH supplies Down-Cut Chip-Breaker Router Bit with dependable carbide tool manufacturing and application support.
Down-Cut Chip-Breaker Router Bit
LCB
CB Router Bit / Corn-shaped Router Bit
Down-Cut Chip-Breaker Router Bit is engineered to enhance routing performance with a large cutting angle and overlapping flute design, combined with a downward chip evacuation design. It is ideal for one-pass processing and routing, improving chip removal and delivering cleaner board edges to ensure superior machining quality.
It is widely used for PCB materials such as FR-2, FR-3, FR-4, FR4-ML, PTFE, Aramide, High Tg 150 ~ 190 PCBs, BT substrates, and filler-added laminates.
Additional Service
We offer customized OEM / ODM services for router bits, including specifications, materials, and coatings. Our flexible manufacturing solutions are designed to meet diverse customer requirements and provide optimal performance for specific applications.
Applications
- PCB De-Paneling
- PCB Routing
- PCB Slotting
- PCB Board Edge Finishing
- PCB De-burrs
- PCB Drilling
- PCB Gold Fingers
- FR-2, FR-3, FR-4, FR-5, BGA
- Single-Layer Board, Double-Layer Board, and Multiple-Layer Board.
- Aluminium PCB, Copper Core PCB
- High-Tg PCB, Halogen Free PCB
- CEM3, IMS, PTFE, Aramide, Prepregs, Polyimide, Ceramics, BT
Specification
- Material: Tungsten Carbide
- Router Bit Diameter: 0.4mm (1/64") ~ 3.175mm (1/8")
- Standard Overall Length (OAL): 38.1mm (1.5")
- Shank Diameter: 3.175mm (1/8")
- Tolerance: ± 0.04mm
| Standard Router Bit Specification | ||
|---|---|---|
| Diameter (mm) | Flute Length (mm) | Extended Flute Length (mm) |
| Ø 0.4 | 2.0 | 3.0 |
| Ø 0.5 ~ 0.6 | 3.0 | 5.0 |
| Ø 0.7 ~ 0.8 | 3.0 | 6.0 |
| Ø 0.9 ~ 1.2 | 4.0 / 5.0 | 7.0 / 8.0 |
| Ø 1.3 ~ 1.7 | 5.0 / 6.0 | 8.0 / 9.0 |
| Ø 1.8 ~ 2.3 | 6.0 / 7.0 | 9.0 / 10.0 |
| Ø 2.4 ~ 2.7 | 8.0 | 11.0 |
| Ø 2.8 ~ 3.175 | 8.0 | 12.0 |
Down-Cut Chip-Breaker Router Bit
Down-Cut Chip-Breaker Router Bit is supported by STARTECH with carbide tool manufacturing experience, stable quality control, and practical application knowledge for precision machining and industrial production environments.
Our manufacturing approach helps buyers source products with better repeatability, dependable processing performance, and flexible support for OEM, ODM, and customized tooling needs.
For distributors, brands, and end users, this product also fits a broader sourcing plan focused on responsive service, reliable Taiwan production, and long-term cooperation value.
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