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OSG Roughing End Mill: Carbide, TiAlN Coated, 4 Flute, 5/16" Mill Dia, 3/4" LOC - Square Carbide Roughing End Mills for Steel & Cast Iron
OSGSquare Carbide Roughing End Mills for Steel & Cast Iron

OSG Roughing End Mill: Carbide, TiAlN Coated, 4 Flute, 5/16" Mill Dia, 3/4" LOC

The OSG HP400-3125 is a carbide roughing end mill with a TiAlN coating, designed for steel and cast iron. It features a 5/16" mill diameter, 3/4" length of cut, 2-1/2" overall length, and 4 flutes. 3G Electric…

SKU 3G-OTH-293164

Brand
OSG
Item
Roughing End Mill: Carbide, TiAlN Coated, 4 Flute, 5/16" Mill Dia, 3/4" LOC
Category
Square Carbide Roughing End Mills for Steel & Cast Iron
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Technical Specifications

OSG
Manufacturer Part Number
HP400-3125
Type
TiAlN Coated
Mill Dia
5/16"
OAL
2-1/2"
Flute
4
LOC
3/4"
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG HP400-3125 is a carbide roughing end mill with a TiAlN coating, designed for steel and cast iron. It features a 5/16" mill diameter, 3/4" length of cut, 2-1/2" overall length, and 4 flutes. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments, with specialist depth in machining and controls to support your sourcing.

Frequently Asked Questions

What is the OSG HP400-3125 roughing end mill used for?

The OSG HP400-3125 is a carbide roughing end mill designed for high-speed material removal in steel and cast iron. Its TiAlN coating and 4-flute geometry suit aggressive roughing passes on CNC mills, reducing cycle times in mold, die, and general machining applications.

What are the specifications of the OSG HP400-3125 end mill?

This OSG end mill has a 5/16" mill diameter, 3/4" length of cut (LOC), and 2-1/2" overall length (OAL). It is made of carbide with a TiAlN coating and 4 flutes. The manufacturer part number is HP400-3125. It is designed for steel and cast iron roughing.

Where to buy the OSG HP400-3125 roughing end mill worldwide?

3G Electric supplies the OSG HP400-3125 roughing end mill to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this item.

How to select the correct OSG roughing end mill for steel?

For steel roughing, choose a carbide end mill with a TiAlN coating like the OSG HP400-3125 for heat resistance and wear life. Match the mill diameter to your required stepover, and ensure the length of cut (LOC) exceeds your depth of cut. Use 4-flute tools for stable CNC operations.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG Products

3G Electric supplies OSG square carbide roughing end mills for steel & cast iron. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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