Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

YG-1 Square End Mill: High Speed Steel, Double End, 4 Flute, 1/8" Mill Dia, 3/8" LOC - Double-End High-Speed Steel Square End Mills
YG-1Double-End High-Speed Steel Square End Mills

YG-1 Square End Mill: High Speed Steel, Double End, 4 Flute, 1/8" Mill Dia, 3/8" LOC

The YG-1 Square End Mill (MPN 12039) is a double-end, high-speed steel end mill with a 1/8" mill diameter, 3/8" length of cut, 3-1/16" overall length, and 4 flutes. 3G Electric interprets demand and delivers this…

SKU 3G-OTH-250872

Brand
YG-1
Item
Square End Mill: High Speed Steel, Double End, 4 Flute, 1/8" Mill Dia, 3/8" LOC
Category
Double-End High-Speed Steel Square End Mills
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

YG-1
Manufacturer Part Number
12039
Type
Double End
Mill Dia
1/8"
OAL
3-1/16"
Flute
4
LOC
3/8"

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The YG-1 Square End Mill (MPN 12039) is a double-end, high-speed steel end mill with a 1/8" mill diameter, 3/8" length of cut, 3-1/16" overall length, and 4 flutes. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments — with specialist depth in combustion, pumps, and controls as a trust anchor — ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

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

The YG-1 12039 double-end high-speed steel square end mill is used for general-purpose milling, slotting, and profiling in ferrous and non-ferrous materials. Its 4-flute design provides a fine finish, making it suitable for production machining and toolroom work across industries like automotive and mold making.

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

The YG-1 12039 is a double-end high-speed steel square end mill with a 1/8" mill diameter, 3/8" length of cut, and 3-1/16" overall length. It has 4 flutes and is designed for general-purpose milling. The manufacturer part number is 12039.

Where to buy YG-1 12039 end mill worldwide?

3G Electric supplies the YG-1 12039 double-end square end mill to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this high-speed steel end mill.

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

Select a YG-1 end mill based on material, operation, and finish requirements. For general slotting and profiling in steel, a 4-flute HSS square end mill like the 12039 works well. Match the mill diameter to your slot width and ensure the length of cut exceeds your depth of cut.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
YG-1 Square End Mill: High Speed Steel, Double End, 4 Flute, 9/64" Mill Dia, 7/16" LOC, 3-1/8" OAL (MPN 12040)
YG-1
YG-1 Square End Mill: High Speed Steel, Double End, 4 Flute, 9/64" Mill Dia, 7/16" LOC, 3-1/8" OAL (MPN 12040)
YG-1 Square End Mill: High Speed Steel, Double End, 4 Flute, 9/64" Mill Dia, 13/32" LOC, 2-1/4" OAL (MPN 53016)
YG-1
YG-1 Square End Mill: High Speed Steel, Double End, 4 Flute, 9/64" Mill Dia, 13/32" LOC, 2-1/4" OAL (MPN 53016)
YG-1 Square End Mill: High Speed Steel, Double End, 4 Flute, 9/64" Mill Dia, 7/16" LOC, 3-1/8" OAL (MPN 13040)
YG-1
YG-1 Square End Mill: High Speed Steel, Double End, 4 Flute, 9/64" Mill Dia, 7/16" LOC, 3-1/8" OAL (MPN 13040)
YG-1 Square End Mill: High Speed Steel, Double End, 4 Flute, 1/8" Mill Dia, 3/8" LOC, 2-1/4" OAL (MPN 53014)
YG-1
YG-1 Square End Mill: High Speed Steel, Double End, 4 Flute, 1/8" Mill Dia, 3/8" LOC, 2-1/4" OAL (MPN 53014)
YG-1 Square End Mill: High Speed Steel, Double End, 4 Flute, 3/32" Mill Dia, 9/32" LOC, 2-1/4" OAL (MPN 53010)
YG-1
YG-1 Square End Mill: High Speed Steel, Double End, 4 Flute, 3/32" Mill Dia, 9/32" LOC, 2-1/4" OAL (MPN 53010)
YG-1 Square End Mill: High Speed Steel, Double End, 2 Flute, 1/8" Mill Dia, 3/8" LOC, 2-1/4" OAL (MPN 50014)
YG-1
YG-1 Square End Mill: High Speed Steel, Double End, 2 Flute, 1/8" Mill Dia, 3/8" LOC, 2-1/4" OAL (MPN 50014)

More from YG-1

View all YG-1 parts
YG-1 Square End Mill: High Speed Steel, Double End, 4 Flute, 3/16" Mill Dia, 1/2" LOC, 2-1/4" OAL (MPN 53022)
YG-1
YG-1 Square End Mill: High Speed Steel, Double End, 4 Flute, 3/16" Mill Dia, 1/2" LOC, 2-1/4" OAL (MPN 53022)
YG-1 Square End Mill: High Speed Steel, TiN Coated, Double End, 4 Flute, 11/64" Mill Dia, 1/2" LOC (MPN 12042HN)
YG-1
YG-1 Square End Mill: High Speed Steel, TiN Coated, Double End, 4 Flute, 11/64" Mill Dia, 1/2" LOC (MPN 12042HN)
YG-1 Square End Mill: High Speed Steel, TiN Coated, Double End, 4 Flute, 1" Mill Dia, 1-7/8" LOC (MPN 12176HN)
YG-1
YG-1 Square End Mill: High Speed Steel, TiN Coated, Double End, 4 Flute, 1" Mill Dia, 1-7/8" LOC (MPN 12176HN)
YG-1 Square End Mill: High Speed Steel, Double End, 2 Flute, 1/16" Mill Dia, 7/32" LOC, 2-1/2" OAL (MPN 51006)
YG-1
YG-1 Square End Mill: High Speed Steel, Double End, 2 Flute, 1/16" Mill Dia, 7/32" LOC, 2-1/2" OAL (MPN 51006)
YG-1 Square End Mill: High Speed Steel, Double End, 2 Flute, 5/64" Mill Dia, 1/4" LOC, 2-1/2" OAL (MPN 51008)
YG-1
YG-1 Square End Mill: High Speed Steel, Double End, 2 Flute, 5/64" Mill Dia, 1/4" LOC, 2-1/2" OAL (MPN 51008)
YG-1 Square End Mill: High Speed Steel, TiCN Coated, Double End, 4 Flute, 3/32" Mill Dia, 9/32" LOC (MPN 53010HC)
YG-1
YG-1 Square End Mill: High Speed Steel, TiCN Coated, Double End, 4 Flute, 3/32" Mill Dia, 9/32" LOC (MPN 53010HC)
YG-1 Square End Mill: High Speed Steel, TiCN Coated, Double End, 4 Flute, 1/16" Mill Dia, 3/16" LOC (MPN 53006HC)
YG-1
YG-1 Square End Mill: High Speed Steel, TiCN Coated, Double End, 4 Flute, 1/16" Mill Dia, 3/16" LOC (MPN 53006HC)
YG-1 Square End Mill: High Speed Steel, Double End, 4 Flute, 1/2" Mill Dia, 1" LOC, 4-1/8" OAL (MPN 12071)
YG-1
YG-1 Square End Mill: High Speed Steel, Double End, 4 Flute, 1/2" Mill Dia, 1" LOC, 4-1/8" OAL (MPN 12071)