The 3-Flute TCT Spiral Split-Type Boring Bit is a high-precision woodworking drill bit engineered for CNC line boring, multi-spindle drilling systems, and professional panel processing.
Designed with a TCT split-type carbide cutter head and 3-flute spiral geometry, this bit provides cleaner holes, smoother drilling, and superior chip evacuation—especially on MDF, particle board, plywood, and laminated boards.

The spiral cutting structure ensures stable feeding, reduced heat, and longer tool life, outperforming traditional 2-flute boring bits. Perfect for cabinet production, panel furniture factories, and high-efficiency CNC drilling operations.

🔑 Key Features

• 3-Flute Spiral Cutting Design for ultra-smooth drilling and minimal tear-out.

• TCT Split-Type Carbide Head ensures sharper cutting and extended durability.

• High-Efficiency Chip Removal keeps holes clean and prevents clogging.

• Precision Hole Quality with clean entry and exit edges.

• Industrial Steel Shank for maximum drilling stability.

• Left/Right Rotation Options (L/R) for all CNC and multi-spindle machines.

• Optimized for Wood-Based Panels, including MDF, chipboard, laminate, and hardwood.

🏭 Applications

Ideal for:

• CNC line boring machines
• Cabinet and furniture production lines
• Vertical drilling centers
• 32mm system drilling
• Shelf-pin holes / dowel holes / system holes

Compatible with:

• MDF
• Particle board
• Plywood
• Melamine boards
• Hardwood / softwood
• Composite wood materials

📐Specifications

Note:★ indicates all sizes can be customized.

Custom Options

• OEM/ODM branding

• Custom diameters & lengths

• Custom cutting angles

• Special coatings for longer tool life

• Packaging customization

⭐ Benefits

• Cleaner hole walls with reduced chipping
• Longer cutting life thanks to TCT carbide tips
• High-speed drilling capability
• Stable performance in automatic CNC production
• Better chip evacuation during deep boring
• Reduced tool replacement frequency and lower cost

🤝 Why Choose 3-Flute TCT Spiral Split-Type Boring Bit?

• Advanced TCT carbide formulation for industrial durability.

• Precision CNC grinding for balanced, stable cutting.

• Consistent diameter accuracy for furniture-grade hole quality.

• Factory-direct supply with full customization options.

• L/R rotation compatibility for any production line.

❓ Frequently Asked Questions

Q1: What makes a 3-flute boring bit better?
A1: The 3-flute spiral design offers smoother drilling, cleaner holes, and better chip evacuation compared to 2-flute bits.

Q2: Is this suitable for laminated boards?
A2: Yes. The TCT carbide tips and spiral cutting edge greatly reduce chipping on melamine and laminated surfaces.

Q3: Does it support CNC machines?
A3: Fully compatible with CNC drilling machines, multi-spindle boring units, and line boring machines.