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CLEVELAND Left-Helix High-Speed Steel Square End Mill - Left-Helix High-Speed Steel Square End Mills
CLEVELANDLeft-Helix High-Speed Steel Square End Mills

CLEVELAND Left-Helix High-Speed Steel Square End Mill

The CLEVELAND Square End Mill is a left-helix high-speed steel end mill with 4 flutes, a 3/8" mill diameter, 3/4" length of cut, and 2-1/2" overall length (MPN C42302).

SKU 3G-OTH-269933

Also listed as: C 42302 · C-42302

Brand
CLEVELAND
Item
Left-Helix High-Speed Steel Square End Mill
Part Number
C42302
Category
Left-Helix High-Speed Steel Square End Mills
Available to Order
Also known as:C42302CLEVELAND
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Technical Specifications

CLEVELAND
Manufacturer Part Number
C42302
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 Square End Mill is a left-helix high-speed steel end mill with 4 flutes, a 3/8" mill diameter, 3/4" length of cut, and 2-1/2" overall length (MPN C42302).

Frequently Asked Questions

What is a CLEVELAND square end mill used for?

A CLEVELAND square end mill is used for general-purpose milling, slotting, and profiling in metalworking. Its square end creates 90° shoulders and flat-bottomed slots. This high-speed steel, 4-flute design suits ferrous and non-ferrous materials, delivering reliable cutting performance in industrial machining applications.

What are the specifications of the CLEVELAND C42302 square end mill?

The CLEVELAND C42302 is a left-helix high-speed steel square end mill with a 3/8" mill diameter, 3/4" length of cut, and 2-1/2" overall length. It has 4 flutes and is designed for general-purpose milling. The manufacturer part number is C42302.

Where to buy CLEVELAND C42302 square end mills worldwide?

3G Electric supplies CLEVELAND C42302 square end mills worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this high-speed steel, 4-flute end mill.

How to select the right CLEVELAND square end mill for your job?

Select a CLEVELAND square end mill based on material, cut depth, and machine rigidity. For general-purpose milling of steel or cast iron, a 4-flute high-speed steel design like the C42302 offers good chip evacuation and finish. Match the mill diameter and length of cut to your slot or profile dimensions.

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 left-helix high-speed steel 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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Left-helix high-speed steel square end mill with TiCN coating for improved wear resistance. Four flutes and a 3/8" cutting diameter with 3/4" length of cut. Suitable for slotting, profiling, and contouring operations in ferrous and non-ferrous metals
CLEVELAND
Left-helix high-speed steel square end mill with TiCN coating for improved wear resistance. Four flutes and a 3/8" cutting diameter with 3/4" length of cut. Suitable for slotting, profiling, and contouring operations in ferrous and non-ferrous metals

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