Carbide Flat Bottom Router Bit, V Shape Carving Tools, Shank Diameter 4mm

Material: Carbide
Packaging: Plastic box
MOQ: 10pcs/box
Stock: In Stock
Payment Terms: T/T, Western Union
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PRODUCT DETAILS

Need crisp bottom finishes and precise engraving results on your CNC projects? Our 4mm Flat Bottom Engraving Router Bits are designed specifically for applications that demand clean pocketing, accurate surface carving, and fine detail. Whether you're working with wood, plastic, or non-ferrous metals, this bit delivers consistent results with minimal chipping and high dimensional accuracy.


Key Features

  • 4mm Cutting Diameter with Flat Bottom Design
    Engineered for pocket milling, letter carving, and surface engraving — provides a smooth and level bottom finish without ridges.

  • Solid Carbide Construction
    Crafted from premium micro-grain tungsten carbide to ensure high hardness, wear resistance, and excellent edge retention.

  • Precise Cutting Performance
    Sharpened cutting edge for reduced burring and excellent finish — ideal for sign makers, mold manufacturers, and PCB fabricators.

  • Standard 4mm Shank
    Compatible with most CNC routers, engraving machines, and desktop CNC units used in workshops and small factories.

  • Optimized for Soft to Medium-Hard Materials
    Perfectly suited for acrylic, MDF, plywood, hardwood, PVC, ABS, and aluminum sheets.



Application Scenarios

  • CNC sign making and surface carving

  • PCB board engraving and isolation routing

  • Mold engraving and cavity finishing

  • Pocket cutting and 2D contouring

  • Nameplate and label production

Whether you're creating prototypes or doing precision decorative work, this bit helps ensure consistent finish and repeatability in high-speed operations.



Why Choose Our 4mm Flat Bottom Router Bits?

  • Factory Direct Pricing
    No middlemen. Competitive wholesale prices for global buyers and distributors.

  • OEM/ODM Services
    We support custom tool geometry, packaging, private labeling, and coating based on your brand or market needs.

  • Stable Quality, Quick Delivery
    Strict inspection standards and fast production turnaround — trusted by tool wholesalers and CNC factories worldwide.

  • Low MOQ & Global Shipping
    Flexible order quantities and fast delivery via DHL, FedEx, UPS, or sea freight.


How to Order

MOQ: 10 pieces per specification
Lead Time: 7–15 business days
Samples: Available upon request
Shipping: Worldwide delivery supported

Have specific dimensions or a project requirement? Reach out to our team anytime — we respond fast and help you choose the right bit for your needs.


Standard Size

Carbide Flat Bottom Router Bit, V Shape Carving Tools, Shank Diameter 4mm

Shank DiameterAngleTipOverall Diameter
4mm30°0.3mm42mm
4mm30°0.3mm45mm
4mm30°0.3mm47mm
4mm30°0.4mm42mm
4mm30°0.4mm45mm
4mm30°0.4mm47mm
4mm30°0.8mm42mm
4mm30°0.8mm45mm
4mm30°0.8mm47mm
4mm30°1.0mm42mm
4mm30°1.0mm45mm
4mm30°1.0mm47mm
4mm20°0.4mm42mm
4mm20°0.4mm45mm
4mm20°0.4mm50mm

Related Products

Explore more cutting tools from the same series or for similar applications

3.175mm(1/8
3.175mm(1/8") Flat Bottom Engraving Router Bits

Fine Detail: Ideal for small engravings
Clean Bottoms: Smooth flat-cut finish
Light Cutting: Easy on soft materials
Multi-Use: Signs, PCB, acrylic

6mm Carbide Flat Bottom Engraving Router Bit
6mm Carbide Flat Bottom Engraving Router Bit

Heavy Cuts: Suitable for larger pockets
Wide Clearance: Fast material removal
Smooth Surfaces: Clean cavity finishing
Application: Wood, plastics, soft metals

3.175mm(1/8
3.175mm(1/8") 2 Flute Straight Router Bits

Precision: Fine PCB & electronics work
Smooth Finish: Clean acrylic & wood cuts
Stable: Low vibration routing
Detailing: Accurate small passes

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