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YG-1 Roughing End Mill: Cobalt, 5 Flute, 7/8" Mill Dia, 1-7/8" LOC, 4-1/8" OAL (MPN 73391) - General Purpose Cobalt Roughing End Mills
YG-1General Purpose Cobalt Roughing End Mills

YG-1 Roughing End Mill: Cobalt, 5 Flute, 7/8" Mill Dia, 1-7/8" LOC, 4-1/8" OAL (MPN 73391)

YG-1 General Purpose Cobalt Roughing End Mills.

SKU 3G-OTH-269208

Brand
YG-1
Item
Roughing End Mill: Cobalt, 5 Flute, 7/8" Mill Dia, 1-7/8" LOC, 4-1/8" OAL
Category
General Purpose Cobalt Roughing End Mills
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Technical Specifications

YG-1
Manufacturer Part Number
73391

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

Product Description

YG-1 General Purpose Cobalt Roughing End Mills.

Frequently Asked Questions

What is the YG-1 Roughing End Mill 73391 used for?

The YG-1 Roughing End Mill 73391 is a general-purpose cobalt roughing end mill used for heavy material removal in machining operations. It is designed for roughing passes on steel, stainless steel, and other ferrous alloys in industrial manufacturing and tool-and-die applications.

What are the specifications of the YG-1 Roughing End Mill 73391?

The YG-1 Roughing End Mill 73391 has a 7/8" mill diameter, 1-7/8" length of cut (LOC), and 4-1/8" overall length (OAL). It features 5 flutes and is made from cobalt steel. The manufacturer part number is 73391, and it is classified as a general-purpose roughing end mill.

Where to buy the YG-1 Roughing End Mill 73391 worldwide?

You can source the YG-1 Roughing End Mill 73391 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 on this YG-1 cobalt roughing end mill.

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

To select the right YG-1 roughing end mill, match the mill diameter and length of cut to your workpiece geometry and machine spindle capacity. For heavy roughing on ferrous materials, the 5-flute cobalt design of model 73391 provides efficient chip evacuation and heat resistance. Always verify shank compatibility with your toolholder.

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, 5 Flute, 7/8" Mill Dia, 1-7/8" LOC, 4-1/8" OAL (MPN 73394)
YG-1
YG-1 Roughing End Mill: Cobalt, 5 Flute, 7/8" Mill Dia, 1-7/8" LOC, 4-1/8" OAL (MPN 73394)
YG-1 Roughing End Mill: Cobalt, 5 Flute, Fine Pitch, 7/8" Mill Dia, 1-7/8" LOC, 4-1/8" OAL (MPN 76391)
YG-1
YG-1 Roughing End Mill: Cobalt, 5 Flute, Fine Pitch, 7/8" Mill Dia, 1-7/8" LOC, 4-1/8" OAL (MPN 76391)
YG-1 Roughing End Mill: Cobalt, TiCN Coated, 5 Flute, 7/8" Mill Dia, 1-7/8" LOC, 4-1/8" OAL (MPN 73394CC)
YG-1
YG-1 Roughing End Mill: Cobalt, TiCN Coated, 5 Flute, 7/8" Mill Dia, 1-7/8" LOC, 4-1/8" OAL (MPN 73394CC)
YG-1 Roughing End Mill: Cobalt, TiCN Coated, 5 Flute, 7/8" Mill Dia, 1-7/8" LOC, 4-1/8" OAL (MPN 73391CC)
YG-1
YG-1 Roughing End Mill: Cobalt, TiCN Coated, 5 Flute, 7/8" Mill Dia, 1-7/8" LOC, 4-1/8" OAL (MPN 73391CC)
YG-1 Roughing End Mill: Cobalt, 5 Flute, Fine Pitch, 7/8" Mill Dia, 7/8" LOC, 3-1/8" OAL (MPN 75391)
YG-1
YG-1 Roughing End Mill: Cobalt, 5 Flute, Fine Pitch, 7/8" Mill Dia, 7/8" LOC, 3-1/8" OAL (MPN 75391)
YG-1 Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 7/8" Mill Dia, 7/8" LOC, 3-1/8" OAL (MPN 72391)
YG-1
YG-1 Roughing End Mill: Cobalt, 3 Flute, Fine Pitch, 7/8" Mill Dia, 7/8" LOC, 3-1/8" OAL (MPN 72391)

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