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OSG Roughing End Mill: Carbide, TiAlN Coated, 4 Flute, 8 mm Mill Dia, 21 mm 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, 8 mm Mill Dia, 21 mm LOC

The OSG Roughing End Mill is a carbide square end mill for steel and cast iron, TiAlN coated with 4 flutes, an 8 mm mill diameter, 21 mm LOC, and 64 mm OAL (MPN HP400-3150). 3G Electric interprets this demand and…

SKU 3G-OTH-293173

Also listed as: HP4003150 · HP400 3150

Brand
OSG
Item
Roughing End Mill: Carbide, TiAlN Coated, 4 Flute, 8 mm Mill Dia, 21 mm LOC
Category
Square Carbide Roughing End Mills for Steel & Cast Iron
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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

OSG
Manufacturer Part Number
HP400-3150
Type
TiAlN Coated
Mill Dia
8 mm
OAL
64 mm
Flute
4
LOC
21 mm

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Roughing End Mill is a carbide square end mill for steel and cast iron, TiAlN coated with 4 flutes, an 8 mm mill diameter, 21 mm LOC, and 64 mm OAL (MPN HP400-3150). 3G Electric interprets this demand and delivers it across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the OSG HP400-3150 roughing end mill used for?

The OSG HP400-3150 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 in mold, die, and general machining applications.

What are the specifications of the OSG HP400-3150 end mill?

This OSG end mill has an 8 mm mill diameter, 21 mm length of cut, and 64 mm overall length. It is made of carbide with a TiAlN coating, has 4 flutes, and is designed for roughing steel and cast iron. The manufacturer part number is HP400-3150.

Where to buy the OSG HP400-3150 end mill worldwide?

3G Electric supplies the OSG HP400-3150 end mill worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time.

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

Select based on workpiece material, required cut depth, and machine rigidity. For steel and cast iron, the OSG HP400-3150 with TiAlN coating and 4 flutes suits general roughing. Match mill diameter to your operation and ensure adequate coolant delivery for best tool life.

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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Cross-referenced by specification & description
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