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OSG Square End Mill: Cobalt, 3 Flute, 7/8" Mill Dia, 1-7/8" LOC, 4" OAL (MPN 5312500) - General Purpose Cobalt Square End Mills
OSGGeneral Purpose Cobalt Square End Mills

OSG Square End Mill: Cobalt, 3 Flute, 7/8" Mill Dia, 1-7/8" LOC, 4" OAL (MPN 5312500)

SKU 3G-OTH-270262

Brand
OSG
Item
Square End Mill: Cobalt, 3 Flute, 7/8" Mill Dia, 1-7/8" LOC, 4" OAL
Category
General Purpose Cobalt Square End Mills
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Technical Specifications

OSG
Manufacturer Part Number
5312500
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is an OSG square end mill used for?

An OSG square end mill is used for general-purpose milling operations, including slotting, profiling, and contouring in metalworking. The 3-flute cobalt design provides good chip evacuation and heat resistance, making it suitable for machining ferrous and non-ferrous materials in industrial manufacturing.

What are the specifications of the OSG 5312500 end mill?

The OSG 5312500 is a cobalt square end mill with a 7/8" mill diameter, 1-7/8" length of cut (LOC), and 4" overall length (OAL). It has 3 flutes and is designed for general-purpose milling. The cobalt material offers enhanced wear resistance and heat tolerance for longer tool life.

Where to buy OSG end mills in worldwide?

3G Electric supplies OSG end mills worldwide, handling full logistics and customs clearance for global delivery. As a sourcing specialist across 14 industrial departments, we provide genuine OSG cutting tools like the 5312500 square end mill. Contact us for availability and lead time to your location.

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

Select an OSG end mill based on material, operation, and machine capability. For general-purpose milling, a 3-flute cobalt end mill like the 5312500 suits ferrous metals. Match diameter to slot width, length of cut to depth, and ensure shank fits your collet. Consult OSG's technical data for feed and speed recommendations.

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 general purpose cobalt 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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