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

YG-1 Square End Mill: High Speed Steel, 6 Flute, 7/8" Mill Dia, 1-7/8" LOC, 4" OAL (MPN 04140)

SKU 3G-OTH-225375

Brand

YG-1

Item

Square End Mill: High Speed Steel, 6 Flute, 7/8" Mill Dia, 1-7/8" LOC, 4" OAL

Technical Specifications

YG-1

Manufacturer Part Number

04140

Mill Dia

7/8" 

OAL

4"

Flute

6

LOC

1-7/8" 

View Full Spec Sheet

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 6 flutes, a 7/8" mill diameter, 1-7/8" length of cut, and 4" overall length (MPN 04140). 3G Electric interprets this demand and sources the genuine YG-1 tool across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor — ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

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

The YG-1 Square End Mill is a general-purpose high-speed steel cutting tool used for milling flat-bottomed slots, pockets, and profiles in metalworking. It is suitable for machining ferrous and non-ferrous materials in industrial manufacturing, tool and die shops, and maintenance operations.

What are the specifications of the YG-1 Square End Mill 04140?

The YG-1 Square End Mill (MPN 04140) has a 7/8" mill diameter, 1-7/8" length of cut (LOC), 4" overall length (OAL), and 6 flutes. It is made of high-speed steel for general-purpose milling. These specs define its cutting capacity and tool geometry for precision work.

Where to buy YG-1 Square End Mills worldwide?

You can source YG-1 Square End Mills worldwide through 3G Electric, a global industrial equipment distributor since 1990. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the YG-1 04140 and other cutting tools.

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

Select a YG-1 Square End Mill based on material hardness, required finish, and machine rigidity. For general-purpose milling of steel, the 6-flute design with 7/8" diameter offers good chip evacuation and surface finish. Match the length of cut (1-7/8") to your slot depth. Consult YG-1's application data for optimal speeds and feeds.

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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