YG-1General Purpose Cobalt Roughing End Mills

YG-1 Roughing End Mill: Cobalt, TiN Coated, 4 Flute, 1/2" Mill Dia, 1-1/4" LOC

SKU 3G-OTH-269152

Brand

YG-1

Item

Roughing End Mill: Cobalt, TiN Coated, 4 Flute, 1/2" Mill Dia, 1-1/4" LOC

Technical Specifications

YG-1

Manufacturer Part Number

73321CN 

Type

TiN Coated 

Mill Dia

1/2" 

OAL

3-1/4" 

Flute

4

LOC

1-1/4" 

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YG-1 Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The YG-1 Roughing End Mill is a TiN-coated, 4-flute, general-purpose cobalt roughing end mill with a 1/2" mill diameter, 1-1/4" length of cut, and 3-1/4" overall length (MPN 73321CN). This YG-1 tool is designed for industrial machining applications across 14 departments, with specialist depth in cutting tools and controls to support your sourcing needs.

Frequently Asked Questions

What is the YG-1 Roughing End Mill 73321CN used for?

The YG-1 73321CN is a general-purpose roughing end mill used for aggressive material removal in ferrous and non-ferrous metals. Its TiN coating reduces friction and heat, making it suitable for high-speed machining in mold, die, and general manufacturing applications.

What are the specifications of the YG-1 Roughing End Mill 73321CN?

This YG-1 end mill has a 1/2" mill diameter, 1-1/4" length of cut, and 3-1/4" overall length. It features 4 flutes, a TiN coating, and is made from cobalt HSS. The manufacturer part number is 73321CN.

Where to buy the YG-1 Roughing End Mill 73321CN worldwide?

3G Electric supplies the YG-1 73321CN roughing 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.

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

Select based on material, diameter, and coating. For general roughing in steel, the TiN-coated 4-flute design of the YG-1 73321CN offers good chip evacuation and heat resistance. Match the 1/2" diameter to your tool holder and the 1-1/4" length of cut to your depth requirements.

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 cobalt roughing 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 →