YG-1Double-End High-Speed Steel Square End Mills

YG-1 Square End Mill: High Speed Steel, TiCN Coated, Double End, 4 Flute, 3/4" Mill Dia

SKU 3G-OTH-250871

Also listed as: 12109 HC · 12109-HC

Brand

YG-1

Item

Square End Mill: High Speed Steel, TiCN Coated, Double End, 4 Flute, 3/4" Mill Dia

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

YG-1

Manufacturer Part Number

12109HC 

Type

TiCN Coated, Double End 

Mill Dia

3/4" 

Flute

4

LOC

1-5/8" 

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 double-end high-speed steel square end mill, TiCN coated, with 4 flutes, a 3/4" mill diameter, and a 1-5/8" length of cut (MPN 12109HC). 3G Electric interprets this demand and sources it across 14 industrial departments, with specialist depth in cutting tools as part of our broader industrial solutions.

Frequently Asked Questions

What is the YG-1 Square End Mill 12109HC used for?

The YG-1 Square End Mill 12109HC is used for general-purpose milling of ferrous and non-ferrous metals. Its high-speed steel construction with TiCN coating provides wear resistance and heat dissipation, making it suitable for slotting, profiling, and contouring in industrial machining applications.

What are the specifications of the YG-1 Square End Mill 12109HC?

The YG-1 Square End Mill 12109HC is a double-end, high-speed steel tool with TiCN coating. It has 4 flutes, a 3/4" mill diameter, and a 1-5/8" length of cut. The manufacturer part number is 12109HC. It is designed for use in CNC and manual milling machines.

Where to buy the YG-1 Square End Mill 12109HC worldwide?

You can source the YG-1 Square End Mill 12109HC 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 tool.

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

To select the right YG-1 Square End Mill, match the mill diameter and flute count to your material and operation. For general-purpose milling of steel, a 4-flute design like the 12109HC provides good finish and chip evacuation. Consider coating type—TiCN offers higher hardness for abrasive materials.

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 double-end 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.

Browse all YG-1 products →Contact our engineers →