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CLEVELAND C31178 General Purpose Cobalt Roughing End Mill - General Purpose Cobalt Roughing End Mills
CLEVELANDGeneral Purpose Cobalt Roughing End Mills

CLEVELAND C31178 General Purpose Cobalt Roughing End Mill

The CLEVELAND C31178 is a 3/8" general purpose cobalt roughing end mill with 4 flutes and a coarse pitch. It features a 3/4" length of cut and a 2-1/2" overall length.

SKU 3G-OTH-268895

Also listed as: C 31178 · C-31178

Brand
CLEVELAND
Item
C31178 General Purpose Cobalt Roughing End Mill
Part Number
C31178
Category
General Purpose Cobalt Roughing End Mills
Available to Order
Also known as:C31178CLEVELAND
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Technical Specifications

CLEVELAND
Manufacturer Part Number
C31178
Type
Coarse Pitch
Mill Dia
3/8"
OAL
2-1/2"
Flute
4
LOC
3/4"

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

Product Description

The CLEVELAND C31178 is a 3/8" general purpose cobalt roughing end mill with 4 flutes and a coarse pitch. It features a 3/4" length of cut and a 2-1/2" overall length.

Frequently Asked Questions

What is the CLEVELAND C31178 roughing end mill used for?

The CLEVELAND C31178 is a general purpose cobalt roughing end mill used for heavy material removal in industrial machining. Its coarse pitch and 4-flute design make it suitable for roughing operations on steel and other metals, providing efficient chip evacuation and reduced vibration during high-feed applications.

What are the specifications of the CLEVELAND C31178 roughing end mill?

The CLEVELAND C31178 has a 3/8" mill diameter, 3/4" length of cut (LOC), and 2-1/2" overall length (OAL). It is made of cobalt, has 4 flutes, and a coarse pitch. The manufacturer part number is C31178. These specs define its use for general purpose roughing in milling machines.

Where to buy CLEVELAND C31178 roughing end mills worldwide?

You can source the CLEVELAND C31178 roughing 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; we supply genuine CLEVELAND tooling for international procurement needs.

How to select the right CLEVELAND roughing end mill for your application?

Select a CLEVELAND roughing end mill based on material, diameter, flute count, and pitch. For heavy stock removal in steel, the C31178 with 3/8" diameter, 4 flutes, and coarse pitch is effective. Match the length of cut (3/4") to your workpiece depth. Always use appropriate speeds and feeds per the manufacturer's guidelines for optimal tool life.

Used in

Common applications for CLEVELAND
Aerospace assembly — Cleveland NAS 907 Type J aircraft-extension drill bits for long-reach drilling in confined airframe structures.
General machining — Cleveland AlTiN-coated carbide square end mills for milling steel and stainless steel components.
Metal fabrication — Cleveland 82° single-flute countersinks for seating flat-head screws in inch-based assemblies.
Maintenance and repair — Cleveland black oxide high-speed steel countersinks for deburring and chamfering holes in plant equipment.
Automotive and engine work — Cleveland cobalt aircraft-extension drills for drilling hard alloys in restricted engine bay spaces.
Job shop production — Cleveland carbide single-flute countersinks for high-speed countersinking in aluminum and non-ferrous parts.
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CLEVELAND Products

3G Electric supplies CLEVELAND general purpose cobalt roughing 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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