YG-1General Purpose High-Speed Steel Square End Mills

YG-1 Square End Mill: High Speed Steel, TiN Coated, 4 Flute, 3/8" Mill Dia, 3/4" LOC

SKU 3G-OTH-225847

Also listed as: 04055 HN · 04055-HN

Brand

YG-1

Item

Square End Mill: High Speed Steel, TiN Coated, 4 Flute, 3/8" Mill Dia, 3/4" LOC

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

YG-1

Manufacturer Part Number

04055HN 

Type

TiN Coated 

Mill Dia

3/8" 

OAL

2-1/2" 

Flute

4

LOC

3/4" 

Technical Documents

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YG-1 Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The YG-1 Square End Mill is a general-purpose high-speed steel end mill with a TiN coating, 4 flutes, a 3/8" mill diameter, 3/4" length of cut, and 2-1/2" overall length (MPN 04055HN). 3G Electric interprets your demand for this cutting tool, sources it from YG-1, and provides a quote with support across 14 industrial departments — with specialist depth in combustion, pumps, and controls.

Frequently Asked Questions

What is the YG-1 Square End Mill 04055HN used for?

The YG-1 04055HN is a general-purpose square end mill for milling slots, profiles, and keyways in steel and cast iron. Its TiN coating reduces friction and heat, extending tool life in moderate-speed machining. It suits maintenance, tooling, and production shops needing a durable 4-flute cutter.

What are the specifications of the YG-1 04055HN end mill?

This YG-1 end mill has a 3/8" mill diameter, 3/4" length of cut (LOC), and 2-1/2" overall length (OAL). It is high-speed steel with TiN coating and 4 flutes. The manufacturer part number is 04055HN. It is designed for general-purpose milling in ferrous materials.

Where to buy YG-1 Square End Mill 04055HN worldwide?

3G Electric supplies the YG-1 04055HN square end mill worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time. We source and deliver this YG-1 tool to any international destination.

How to select the right YG-1 end mill for your application?

Select based on material, operation, and machine rigidity. For general milling of steel, the YG-1 04055HN with TiN coating and 4 flutes provides good finish and tool life. Match the 3/8" diameter to your collet size and ensure the 3/4" LOC covers your depth of cut. Use appropriate speeds and feeds for HSS tools.

Used in

Common applications for YG-1

Die and mold machining — YG-1 cobalt ball end mills (e.g., MPN 43297CC) for contouring and finishing cavities in hardened tool steels.

Aerospace component production — YG-1 cobalt square end mills (e.g., MPN 04338) for milling titanium and nickel-based alloys.

Automotive part manufacturing — YG-1 HSS square end mills (e.g., MPN 07228) for high-volume machining of cast iron and steel components.

General fabrication — YG-1 double-end HSS end mills (e.g., MPN 13040) for slotting and profiling in mild steel and aluminum.

Roughing operations — YG-1 cobalt roughing end mills (e.g., MPN 60321) for rapid material removal in stainless steel and alloy steels.

Precision finishing — YG-1 TiN-coated HSS end mills (e.g., MPN 12059HN) for achieving tight tolerances on ferrous workpieces.

YG-1 Products

3G Electric supplies YG-1 general purpose high-speed steel square end mills. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all YG-1 products →Contact our engineers →