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3 4 6 Flute Carbide Corn Cob Roughing End Mill PCB Milling Cutter for Fiberglass Bakelite Circuit Board Engraving

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AMG-TOOLS

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3 4 6 Flute Carbide Corn Cob Roughing End Mill PCB Milling Cutter for Fiberglass Bakelite Circuit Board Engraving

Brand Name:	AMG
MOQ:	3-10PCS
Packaging Details:	Plastic tube
Payment Terms:	T/T/Credit Card

Detail Information

Product Description

Detail Information

Place of Origin:

CHINA

Certification:

ISO9001

Name:

3 4 6 Flute Carbide Corn Cob Roughing End Mill PCB Milling Cutter

Coating:

Customized

Application:

Customized

Shank Precision:

Material:

Carbide

Inch Or Millimeter:

All Can Be Customized

Supply Ability:

30000-100000pcs per month

Highlight:

Fiberglass Corn Cob End Mill

Circuit Board Milling Cutter

4 Flute Corn Cob End Mill

Product Description

3 4 6 Flute Carbide Corn Cob Roughing End Mill PCB Milling Cutter

Product Specifications

Name	3 4 6 Flute Carbide Corn Cob Roughing End Mill PCB Milling Cutter
Coating	Customized
Application	Customized
Shank precision	h6
Material	Carbide
Inch Or Millimeter	All can be customized

Product Overview

Our Carbide Corn Cob Roughing End Mill is a specialized cutting tool designed for high-efficiency material removal in PCB (printed circuit board), fiberglass, Bakelite, and other composite materials. Featuring a unique serrated (corn cob) design, this end mill aggressively removes material while minimizing vibration, ensuring smooth, clean cuts in abrasive and brittle substrates.

Key Features

Multi-Flute Design (3/4/6 Flutes) - Optimized for fast chip evacuation and reduced cutting resistance
Solid Carbide Construction - Provides exceptional hardness and wear resistance, ideal for abrasive materials
Corn Cob (Serrated) Cutting Edge - Breaks chips efficiently, reducing heat buildup and preventing material delamination
Precision Ground Cutting Edges - Ensures clean, fray-free edges on fiberglass, G10, and epoxy boards
High-Speed Machining Compatible - Works with CNC routers, milling machines, and PCB engravers at high RPM
Available in Multiple Sizes - Common diameters: 1.0mm, 2.0mm, 3.175mm (1/8"), 4.0mm, 6.0mm

Performance Advantages

Faster Roughing & Material Removal - The serrated design allows deeper cuts at higher feed rates compared to standard end mills

Reduced Vibration & Chatter - Corn cob geometry dampens harmonics, improving cutting stability

Longer Tool Life - Carbide material resists wear, reducing tool changes and downtime

Cleaner Machining of Brittle Materials - Minimizes fiber tear-out and edge chipping in PCBs and composites

Versatile Applications - Suitable for both roughing and semi-finishing operations

Typical Applications

PCB milling & circuit board prototyping

Fiberglass, Bakelite, and epoxy composite machining

CNC routing of insulating materials & electronic enclosures

Engraving & slot cutting in plastics and reinforced polymers

Aerospace & automotive composite part manufacturing

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Manufacturing Facility

Special Promotion

To help you experience our premium products, we're excited to offer free test samples for first-time buyers.

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