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OSG HP421-5625 General Purpose Carbide Square End Mill - General Purpose Carbide Square End Mills
OSGGeneral Purpose Carbide Square End Mills

OSG HP421-5625 General Purpose Carbide Square End Mill

The OSG Square End Mill is a general purpose carbide square end mill, TiAlN coated, with 2 flutes, a 9/16" mill diameter, 1-1/8" length of cut, and 3-1/2" overall length (MPN HP421-5625). 3G Electric interprets…

SKU 3G-OTH-271419

Also listed as: HP4215625 · HP421 5625

Brand
OSG
Item
HP421-5625 General Purpose Carbide Square End Mill
Part Number
HP421-5625
Category
General Purpose Carbide Square End Mills
Available to Order
Also known as:HP421-5625OSG
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Technical Specifications

OSG
Manufacturer Part Number
HP421-5625
Type
TiAlN Coated
Mill Dia
9/16"
OAL
3-1/2"
Flute
2
LOC
1-1/8"

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

Product Description

The OSG Square End Mill is a general purpose carbide square end mill, TiAlN coated, with 2 flutes, a 9/16" mill diameter, 1-1/8" length of cut, and 3-1/2" overall length (MPN HP421-5625). 3G Electric interprets customer demand and delivers this genuine industrial cutting tool across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor.

Frequently Asked Questions

What is the OSG HP421-5625 square end mill used for?

The OSG HP421-5625 is a general purpose carbide square end mill used for milling slots, profiles, and contours in ferrous and non-ferrous metals. Its TiAlN coating provides heat resistance and wear protection, making it suitable for high-speed machining in industrial manufacturing and tooling applications.

What are the specifications of the OSG HP421-5625 square end mill?

The OSG HP421-5625 is a carbide square end mill with a TiAlN coating, 2 flutes, 9/16" mill diameter, 1-1/8" length of cut, and 3-1/2" overall length. The manufacturer part number is HP421-5625. It is designed for general purpose milling in a variety of materials.

Where to buy the OSG HP421-5625 square end mill worldwide?

You can source the OSG HP421-5625 square end mill through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this and other OSG cutting tools.

How to select the right OSG square end mill for your application?

Select the OSG square end mill based on material, coating, flute count, and diameter. For general purpose milling in steel or cast iron, the TiAlN-coated HP421-5625 with 2 flutes offers good chip evacuation and heat resistance. Match the length of cut to your depth requirements and ensure the shank fits your collet.

Used in

Common applications for OSG
Aerospace — OSG STI taps for installing helical wire thread inserts in aluminum components
Automotive — OSG spiral-point taps for through-hole threading in engine blocks and transmission cases
General machining — OSG spiral-flute taps for blind-hole threading in steel and stainless steel parts
Heavy equipment repair — OSG thread-forming taps for creating threads in ductile iron and steel castings
Precision manufacturing — OSG solid carbide chucking reamers for finishing holes in hydraulic manifolds
Die and mold — OSG coolant-through solid carbide drills for deep-hole drilling in tool steels
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OSG Products

3G Electric supplies OSG general purpose carbide 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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