Cleveland C33450 Square End Mill 0.75 in 4 Flute Hss Tin

Product Description

The CLEVELAND C33450 is a single-end, square-profile end mill designed for material removal in milling operations across machining centers and manual mills. Built from high speed steel (HSS) with a titanium nitride (TiN) coating, it offers a 0.75 inch cutting diameter, a 4 inch length of cut, and a 6.25 inch overall length. The four-flute, spiral configuration with a 30-degree helix angle promotes efficient chip evacuation and a stable cut. The extra-long length of cut makes it suitable for deep-pocket milling and extended-reach applications where standard-length tools fall short. Licensed machinists and CNC operators install this tool in a variety of production and job-shop environments.

The C33450 is rated for primary use in cast iron, non-ferrous metals, and steel. Its centercutting geometry allows both plunge and conventional milling entries. The straight-cylindrical shank with Weldon flat accommodates standard side-lock and collet-style toolholders. The right-hand cut and right-hand flute orientation match the standard spindle rotation of most vertical and horizontal machining centers. It belongs to the Cleveland HG-4C series, which is engineered for general-purpose profiling, slotting, and peripheral milling on common workpiece materials.

Key Features

• High speed steel construction with TiN coating for improved surface hardness and wear resistance
• 4-flute spiral design with 30-degree helix angle for efficient chip evacuation
• Centercutting geometry allows direct plunge entry into workpiece material
• Extra-long 4 inch length of cut for deep-pocket and extended-reach milling
• Straight-cylindrical shank with Weldon flat for secure toolholder engagement
• Right-hand cut and right-hand flute for compatibility with standard spindle rotation

Compatibility

Designed for use in standard side-lock holders and collet chucks accepting a 0.75 inch straight shank with Weldon flat. Suited for machining cast iron, non-ferrous metals, and steel on vertical and horizontal machining centers.

Installation Notes

Installation should be performed by a qualified machinist following the machine tool manufacturer's toolholder torque and runout specifications. Ensure the spindle is fully stopped and the machine is in an energy-isolated state before inserting or removing the tool. Verify shank engagement depth meets the toolholder minimum grip requirement before initiating a cut. Inspect the TiN coating and cutting edges for wear or chipping before each use and replace the tool if edge integrity is compromised.