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

YG-1 Square End Mill: High Speed Steel, 2 Flute, 1/8" Mill Dia, 3/8" LOC

The YG-1 Square End Mill is a general-purpose high-speed steel end mill with a 1/8" mill diameter, 3/8" length of cut, and 2-3/8" overall length. This 2-flute square end mill (MPN 03039) is designed for standard…

SKU 3G-OTH-225950

Brand

YG-1

Item

Square End Mill: High Speed Steel, 2 Flute, 1/8" Mill Dia, 3/8" LOC

Technical Specifications

YG-1

Manufacturer Part Number

03039

Mill Dia

1/8" 

OAL

2-3/8" 

Flute

2

LOC

3/8" 

View Full Spec Sheet

Technical Documents

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YG-1 Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the YG-1 Square End Mill 03039 used for?

The YG-1 Square End Mill 03039 is a general-purpose cutting tool for milling slots, profiles, and keyways in ferrous and non-ferrous metals. Its 2-flute high-speed steel design provides efficient chip evacuation, making it suitable for manual and CNC milling machines in toolrooms and production shops.

What are the specifications of the YG-1 Square End Mill 03039?

The YG-1 Square End Mill 03039 has a 1/8" mill diameter, 3/8" length of cut (LOC), and 2-3/8" overall length (OAL). It features 2 flutes and is made from high-speed steel. The manufacturer part number is 03039, and it is designed for general-purpose milling applications.

Where to buy the YG-1 Square End Mill 03039 worldwide?

You can source the YG-1 Square End Mill 03039 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply this YG-1 cutting tool to procurement teams internationally.

How to select the right YG-1 Square End Mill for your application?

Select the YG-1 Square End Mill based on material hardness, required finish, and machine capabilities. For general milling of steel or aluminum, the 2-flute high-speed steel design offers good chip clearance. Match the mill diameter to your slot width and ensure the length of cut (LOC) exceeds your depth of cut. Always use appropriate speeds and feeds per YG-1 recommendations.

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.

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