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YG-1 Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 3/8" Mill Dia, 3/4" LOC - General Purpose Cobalt Roughing End Mills
YG-1General Purpose Cobalt Roughing End Mills

YG-1 Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 3/8" Mill Dia, 3/4" LOC

The YG-1 Roughing End Mill is a general-purpose cobalt end mill with 4 flutes and a fine-pitch design. It has a 3/8" mill diameter, 3/4" length of cut, and 2-1/2" overall length (MPN 70305). 3G Electric interprets…

SKU 3G-OTH-268921

Brand
YG-1
Item
Roughing End Mill: Cobalt, 4 Flute, Fine Pitch, 3/8" Mill Dia, 3/4" LOC
Category
General Purpose Cobalt Roughing End Mills
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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
70305
Type
Fine Pitch
Mill Dia
3/8"
OAL
2-1/2"
Flute
4
LOC
3/4"

Technical Documents

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

Product Description

The YG-1 Roughing End Mill is a general-purpose cobalt end mill with 4 flutes and a fine-pitch design. It has a 3/8" mill diameter, 3/4" length of cut, and 2-1/2" overall length (MPN 70305). 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments, with specialist expertise in combustion, pumps, and controls as a trust anchor.

Frequently Asked Questions

What is the YG-1 70305 roughing end mill used for?

The YG-1 70305 is a general-purpose cobalt roughing end mill used for aggressive material removal in ferrous and non-ferrous metals. Its fine-pitch, 4-flute design suits high-feed roughing operations in mold, die, and general machining applications where surface finish is secondary to stock removal.

What are the specifications of the YG-1 70305 roughing end mill?

The YG-1 70305 has a 3/8" mill diameter, 3/4" length of cut (LOC), and 2-1/2" overall length (OAL). It features 4 flutes with fine pitch, is made from cobalt HSS, and is designed for general-purpose roughing. The manufacturer part number is 70305.

Where to buy YG-1 70305 roughing end mills worldwide?

3G Electric supplies the YG-1 70305 roughing end mill worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact our team to source this YG-1 cobalt end mill for your machining operations.

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

Select based on workpiece material and operation. For general roughing of steel and stainless, the YG-1 70305 with 4 flutes and fine pitch provides efficient chip evacuation and reduced vibration. Match the mill diameter to your required slot width or stepover, and ensure the LOC 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 general purpose cobalt roughing 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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