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

YG-1 Ball End Mill: High Speed Steel, 2 Flute, 1/8" Mill Dia, 3/8" LOC, 2-3/8" OAL (MPN 42039)

The YG-1 Ball 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 ball end mill (MPN 42039) is designed for standard milling…

SKU 3G-OTH-265903

Brand

YG-1

Item

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

Technical Specifications

YG-1

Manufacturer Part Number

42039

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 a YG-1 ball end mill used for?

A YG-1 ball end mill is used for contouring, slotting, and profiling in mold and die work, aerospace, and general machining. The ball nose creates smooth curved surfaces and fillets. 3G Electric supplies this HSS 2-flute tool for ferrous and non-ferrous materials.

What are the specifications of the YG-1 ball end mill 42039?

The YG-1 ball end mill 42039 has a 1/8" mill diameter, 3/8" length of cut, 2-3/8" overall length, and 2 flutes. It is made of high-speed steel for general-purpose milling. 3G Electric sources this genuine YG-1 tool for industrial applications.

Where to buy YG-1 ball end mills worldwide?

3G Electric supplies YG-1 ball end mills worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 42039 or other YG-1 cutting tools. We source genuine industrial equipment globally.

How to select the right ball end mill for a job?

Select a ball end mill based on material, required finish, and machine rigidity. For general-purpose work, a 2-flute HSS tool like the YG-1 42039 works well for ferrous metals. Match the mill diameter to your radius needs. 3G Electric can help you choose the correct tool.

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 ball 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 →