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OSG Square End Mill: Cobalt, TiN Coated, Double End, 4 Flute, 5/16" Mill Dia - Double-End Cobalt Square End Mills
OSGDouble-End Cobalt Square End Mills

OSG Square End Mill: Cobalt, TiN Coated, Double End, 4 Flute, 5/16" Mill Dia

The OSG Square End Mill is a TiN Coated, Double End Cobalt square end mill with 4 flutes, a 5/16" mill diameter, 3/4" length of cut, and 3-1/2" overall length (MPN 5420405). 3G Electric sources this cutting tool…

SKU 3G-OTH-232403

Brand
OSG
Item
Square End Mill: Cobalt, TiN Coated, Double End, 4 Flute, 5/16" Mill Dia
Category
Double-End Cobalt Square End Mills
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Technical Specifications

OSG
Manufacturer Part Number
5420405
Type
TiN Coated, Double End
Mill Dia
5/16"
OAL
3-1/2"
Flute
4
LOC
3/4"
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Square End Mill is a TiN Coated, Double End Cobalt square end mill with 4 flutes, a 5/16" mill diameter, 3/4" length of cut, and 3-1/2" overall length (MPN 5420405). 3G Electric sources this cutting tool across 14 industrial departments, with specialist expertise in combustion, pumps, and controls ensuring accurate fulfillment.

Frequently Asked Questions

What is the OSG Square End Mill 5420405 used for?

The OSG Square End Mill 5420405 is a double-end cobalt end mill with TiN coating, designed for general-purpose milling of ferrous metals. It is commonly used in industrial machining operations for slotting, profiling, and contouring in steel, stainless steel, and cast iron. The 4-flute design provides efficient chip evacuation and a smooth finish.

What are the specifications of the OSG Square End Mill 5420405?

The OSG Square End Mill 5420405 has a 5/16" mill diameter, 3/4" length of cut, and 3-1/2" overall length. It features a double-end design with 4 flutes, made from cobalt high-speed steel with a titanium nitride (TiN) coating. The manufacturer part number is 5420405.

Where to buy the OSG Square End Mill 5420405 worldwide?

You can source the OSG Square End Mill 5420405 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; we provide competitive pricing and reliable sourcing for this OSG tool.

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

To select the correct OSG square end mill, match the mill diameter and length of cut to your workpiece geometry. For ferrous materials, a TiN-coated cobalt end mill like the 5420405 offers good wear resistance. Consider flute count: 4 flutes suit finishing and slotting, while 2 flutes are better for chip clearance in softer materials. Always verify shank compatibility with your tool holder.

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 double-end 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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