Hitachi

Hitachi 780739 Carbide Milling Cutter

Name: Hitachi 780739 Carbide Milling Cutter
Brand: Hitachi
SKU: 780739

Hitachi 780739 carbide milling cutter in C-6 profile for precise, durable material removal across a range of milling applications.

$23.37*

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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Hitachi 780739 is a carbide milling cutter designed for precision material removal across a variety of milling applications. Carbide tooling is valued in machining for its exceptional hardness and ability to hold a sharp cutting edge far longer than high-speed steel, reducing downtime for tool changes during extended jobs. The C-6 designation indicates a specific flute profile engineered for general-purpose cutting, while the 18/50 geometry and 6mm shank provide compatibility with a range of rotary tools and milling machines.

This cutter is a practical choice for machinists and fabricators who need a reliable bit for shaping, contouring, or deburring metal and other hard materials. Its compact 6mm shank makes it versatile across different setups, though users should verify collet or chuck compatibility before purchasing. As with all carbide tooling, best results are achieved by matching spindle speed and feed rate to the workpiece material to avoid chipping the cutting edges.

Key Features

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Specifications

Brand

Hitachi

Model

780739

Type

Carbide Milling Cutter

Profile

C-6

Dimensions

18/50

Shank Size

6mm

Pros & Cons

👍 Pros

Carbide construction offers superior hardness and edge retention compared to standard steel bits
Compact 6mm shank size fits a wide range of rotary tools and milling machines
C-6 profile geometry allows precise material removal and shaping
Durable enough for extended use on hard materials without frequent replacement

👎 Cons

Carbide can chip or fracture if subjected to heavy impact or improper feed rates
Limited to a single size and profile, so additional cutters are needed for varied work
No detailed application or speed guidelines are provided with the product listing
May require a compatible collet or chuck to fit certain milling setups

Frequently Asked Questions

What is the size and profile of the Hitachi 780739 milling cutter?

It is a C-6 profile carbide bit with an 18/50 cutting geometry and a 6mm shank, designed for precise material removal.

What material is the cutting head made from?

The cutter is made from carbide, a very hard material that maintains its cutting edge longer than high-speed steel alternatives.

What types of work is this milling cutter suited for?

It is designed for general-purpose milling applications where precise shaping, deburring, or material removal is required on metals and other hard materials.

Does the carbide construction require special handling or storage?

Carbide is hard but can be brittle under impact. It should be stored so the cutting edges are protected from knocks and drops, and used at appropriate speeds to prevent chipping.