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YG-1 75321 General Purpose Cobalt Roughing End Mill - General Purpose Cobalt Roughing End Mills
YG-1General Purpose Cobalt Roughing End Mills

YG-1 75321 General Purpose Cobalt Roughing End Mill

The YG-1 Roughing End Mill is a general-purpose cobalt end mill with a 1/2" mill diameter, 1/2" LOC, and 2-1/2" OAL. It features 4 flutes and a fine pitch design, identified by manufacturer part number 75321.

SKU 3G-OTH-269240

Brand
YG-1
Item
75321 General Purpose Cobalt Roughing End Mill
Category
General Purpose Cobalt Roughing End Mills
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Technical Specifications

YG-1
Manufacturer Part Number
75321
Type
Fine Pitch
Mill Dia
1/2"
OAL
2-1/2"
Flute
4
LOC
1/2"

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YG-1 Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The YG-1 Roughing End Mill is a general-purpose cobalt end mill with a 1/2" mill diameter, 1/2" LOC, and 2-1/2" OAL. It features 4 flutes and a fine pitch design, identified by manufacturer part number 75321.

Frequently Asked Questions

What is YG-1 Roughing End Mill 75321 used for?

The YG-1 Roughing End Mill 75321 is a general-purpose cobalt end mill used for roughing operations in metalworking. It is designed for high material removal rates in steel, stainless steel, and cast iron. Its 4-flute fine-pitch geometry provides efficient chip evacuation and reduced vibration during heavy cuts.

What are the specifications of YG-1 Roughing End Mill 75321?

The YG-1 Roughing End Mill 75321 has a 1/2" mill diameter, 1/2" length of cut (LOC), and 2-1/2" overall length (OAL). It is made of cobalt steel with 4 flutes and fine pitch. The manufacturer part number is 75321. This tool is suitable for general-purpose roughing in ferrous materials.

Where to buy YG-1 Roughing End Mill 75321 worldwide?

You can source the YG-1 Roughing End Mill 75321 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 genuine YG-1 tooling to industrial buyers globally.

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

Select a YG-1 roughing end mill based on material type, cut depth, and machine rigidity. For general-purpose roughing in steel or stainless steel, the 75321 with 4 flutes and fine pitch is a standard choice. Match the mill diameter to your required slot width or pocket size. Consult YG-1's technical data for speed and feed 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 cobalt roughing 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
YG-1 Roughing End Mill: Cobalt, TiN Coated, 4 Flute, Fine Pitch, 3/4" Mill Dia, 3/4" LOC, 2-7/8" OAL (MPN 75359CN)
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YG-1 Roughing End Mill: Cobalt, TiN Coated, 4 Flute, Fine Pitch, 3/4" Mill Dia, 3/4" LOC, 2-7/8" OAL (MPN 75359CN)
YG-1 Roughing End Mill: Cobalt, 6 Flute, Coarse Pitch, 1-1/8" Mill Dia, 2" LOC, 4-1/2" OAL (MPN 60435)
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YG-1 Roughing End Mill: Cobalt, 6 Flute, Coarse Pitch, 1-1/8" Mill Dia, 2" LOC, 4-1/2" OAL (MPN 60435)
Cobalt roughing end mill with 4 flutes, 9/16" diameter, 1-3/8" length of cut, and 3-3/8" overall length. Designed for heavy material removal in roughing passes on steel, stainless steel, and other ferrous alloys. Suitable for industrial manufacturing and tool-and-die applications
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Cobalt roughing end mill with 4 flutes, 9/16" diameter, 1-3/8" length of cut, and 3-3/8" overall length. Designed for heavy material removal in roughing passes on steel, stainless steel, and other ferrous alloys. Suitable for industrial manufacturing and tool-and-die applications
YG-1 Roughing End Mill: Cobalt, TiN Coated, 4 Flute, Fine Pitch, 1/2" Mill Dia, 1/2" LOC, 2-1/2" OAL (MPN 75321CN)
YG-1
YG-1 Roughing End Mill: Cobalt, TiN Coated, 4 Flute, Fine Pitch, 1/2" Mill Dia, 1/2" LOC, 2-1/2" OAL (MPN 75321CN)
YG-1 Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 7/16" Mill Dia, 1" LOC, 2-11/16" OAL (MPN 76312)
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YG-1 Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 7/16" Mill Dia, 1" LOC, 2-11/16" OAL (MPN 76312)
YG-1 Roughing End Mill: Cobalt, TiCN Coated, 4 Flute, Fine Pitch, 9/16" Mill Dia, 1-3/8" LOC (MPN 76328CC)
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YG-1 Roughing End Mill: Cobalt, TiCN Coated, 4 Flute, Fine Pitch, 9/16" Mill Dia, 1-3/8" LOC (MPN 76328CC)

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