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CLEVELAND C33621 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 C33621 Left-Helix High-Speed Steel Square End Mill

The CLEVELAND Square End Mill is a left-helix high-speed steel end mill with TiCN coating, 4 flutes, a 3/8" mill diameter, and a 3/4" length of cut (MPN C33621).

SKU 3G-OTH-269940

Also listed as: C 33621 · C-33621

Brand
CLEVELAND
Item
C33621 Left-Helix High-Speed Steel Square End Mill
Part Number
C33621
Category
Left-Helix High-Speed Steel Square End Mills
Available to Order
Also known as:C33621CLEVELAND
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Technical Specifications

CLEVELAND
Manufacturer Part Number
C33621
Type
TiCN Coated
Mill Dia
3/8"
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 TiCN coating, 4 flutes, a 3/8" mill diameter, and a 3/4" length of cut (MPN C33621).

Frequently Asked Questions

What is the CLEVELAND C33621 square end mill used for?

The CLEVELAND C33621 square end mill is used for general-purpose milling of ferrous and non-ferrous metals. Its TiCN coating and left-helix flute design make it suitable for slotting, profiling, and contouring operations in industrial machining environments.

What are the specifications of the CLEVELAND C33621 square end mill?

The CLEVELAND C33621 is a high-speed steel square end mill with TiCN coating, 4 flutes, 3/8" mill diameter, and 3/4" length of cut. It features a left-helix design for improved chip evacuation and is manufactured under part number C33621.

Where to buy the CLEVELAND C33621 square end mill worldwide?

You can source the CLEVELAND C33621 square end mill through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring your order reaches any international location.

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

Select the CLEVELAND square end mill based on material hardness, required finish, and machine capabilities. For general-purpose milling, the C33621 with TiCN coating offers good wear resistance. Match flute count and diameter to your operation's feed rate and depth of cut requirements.

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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