HN55-S4 4 Flutes End Mill

Harder India HN55-S4 4 Flutes End Mill

The Harder India HN55-S4 4 Flutes End Mill is designed for accurate and smooth milling operations in CNC machines and other machining applications. Its four-flute design offers good cutting stability and helps achieve a clean surface finish while maintaining consistent performance.

The HN55-S4 series is made with Micro Grain material and features a TiSiN coating, HRC 55+ hardness, and a 35° helix angle. These features make it a practical choice for machining different types of steel as well as non-ferrous materials.

Main Features

4-flute design for stable and smooth cutting

TiSiN coating for improved tool performance

Micro Grain construction

HRC 55+ hardness

35° helix angle

Good chip evacuation

Suitable for CNC and precision machining

Available in sizes from 1 mm to 20 mm

Suitable Materials

The Harder India HN55-S4 End Mill can be used for machining:

Carbon Steel, Cast Iron, Alloy Steel, Hardened Steel, Stainless Steel, Copper Alloys, Aluminium Alloys, Heat-Resistant Super Alloys and Titanium Alloys.

Applications

It is commonly suitable for:

CNC milling

Slot milling

Profile milling

Side milling

Contouring

Die and mould machining

Precision component manufacturing

General engineering work

Why Choose Harder India HN55-S4?

With its 4-flute configuration, TiSiN coating and 35° helix angle, the HN55-S4 is designed to provide a balance of cutting efficiency, stability and surface finish. It is available in multiple diameters, making it easier to select the right tool for different machining requirements.

Harder India HN55-S4 – a reliable 4-flute end mill for precision CNC machining.