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YG-1 12039HN Double-End High-Speed Steel Square End Mill - Double-End High-Speed Steel Square End Mills
YG-1Double-End High-Speed Steel Square End Mills

YG-1 12039HN Double-End High-Speed Steel Square End Mill

The YG-1 Square End Mill is a double-end high-speed steel square end mill with TiN coating, 4 flutes, a 1/8" mill diameter, and a 3/8" length of cut (MPN 12039HN). 3G Electric interprets this demand and sources the…

SKU 3G-OTH-250880

Also listed as: 12039 HN · 12039-HN

Brand
YG-1
Item
12039HN Double-End High-Speed Steel Square End Mill
Part Number
12039HN
Category
Double-End High-Speed Steel Square End Mills
Available to Order
Also known as:12039HNYG-1
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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
12039HN
Type
TiN Coated, Double End
Mill Dia
1/8"
Flute
4
LOC
3/8"

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 with TiN coating, 4 flutes, a 1/8" mill diameter, and a 3/8" length of cut (MPN 12039HN). 3G Electric interprets this demand and sources the genuine YG-1 tool across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.

Frequently Asked Questions

What is YG-1 12039HN square end mill used for?

The YG-1 12039HN is a double-end high-speed steel square end mill with TiN coating, designed for general-purpose milling of steel, cast iron, and non-ferrous materials. Its 4-flute design provides efficient chip evacuation and a smooth finish in slotting, profiling, and contouring applications.

What are the specifications of YG-1 12039HN end mill?

The YG-1 12039HN has a 1/8" mill diameter, 3/8" length of cut (LOC), 4 flutes, and a TiN coating. It is a double-end high-speed steel square end mill. The TiN coating increases hardness and wear resistance for longer tool life in ferrous and non-ferrous materials.

Where to buy YG-1 12039HN end mill worldwide?

3G Electric supplies the YG-1 12039HN double-end square end mill to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this TiN-coated, 4-flute, 1/8" diameter end mill.

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

Selecting the right YG-1 end mill depends on material, cut type, and finish requirements. For general-purpose steel milling, the 12039HN with TiN coating and 4 flutes offers good wear resistance. Match the mill diameter to your slot width and the length of cut to your depth needs. Consult YG-1's technical data for optimal speeds and feeds.

Used in

Common applications for YG-1
General machining — YG-1 55GR21 HSS square end mill for slotting and facing steel components
Mold and die — YG-1 35V419 cobalt ball end mill for contouring and profiling curved surfaces
Aluminum fabrication — YG-1 55GL20 TiCN-coated HSS square end mill for non-ferrous milling
Heavy stock removal — YG-1 55FZ80 cobalt roughing end mill for high-speed material removal in steel
Precision milling — YG-1 55GJ51 TiN-coated HSS square end mill for general-purpose steel and iron
Large-part machining — YG-1 55GR97 HSS square end mill with 2-inch diameter for heavy cuts
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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.

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Double-end high-speed steel square end mill with 3/16" diameter, 1" length of cut, and 3-3/8" overall length. Two-flute design for general-purpose milling of ferrous and non-ferrous materials. Suitable for slotting, profiling, and contouring operations
YG-1
Double-end high-speed steel square end mill with 3/16" diameter, 1" length of cut, and 3-3/8" overall length. Two-flute design for general-purpose milling of ferrous and non-ferrous materials. Suitable for slotting, profiling, and contouring operations

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