Cleveland C33075 Square End Mill 0.375 in 4 Flute Hss

Product Description

The CLEVELAND C33075 is a double-end, four-flute square end mill machined from high speed steel (HSS) with a titanium nitride (TiN) finish. It carries a 0.375-inch cutting diameter, a 0.75-inch length of cut, and a 3.5-inch overall length with a 0.375-inch straight cylindrical shank that also accepts a Weldon flat drive. The 30-degree spiral flute geometry promotes efficient chip evacuation, and the centercutting design allows plunge entry into the workpiece. The TiN coating adds surface hardness and reduces friction, extending tool life in general-purpose milling operations. This tool is handled and installed by machinists and CNC operators in job shops, maintenance facilities, and production environments.

The C33075 is suited for milling operations on cast iron, non-ferrous metals, and steel. Its regular-length, right-hand cut and right-hand flute configuration makes it a standard choice for peripheral milling, slotting, and profiling passes. The double-end design provides two usable cutting ends, reducing per-cut tooling cost in high-usage environments. It fits common milling machines and machining centers using ER collets, end mill holders, or Weldon-style set-screw holders that accommodate a 0.375-inch shank.

Key Features

• Double-end design delivers two cutting ends per tool
• TiN finish increases surface hardness and reduces cutting friction
• Centercutting geometry allows direct plunge entry
• 30-degree helix angle spiral flutes for efficient chip removal
• Right-hand cut and right-hand flute — standard orientation for most milling setups
• Straight cylindrical shank with Weldon flat compatibility for secure tool holding

Compatibility

Designed for use on cast iron, non-ferrous metals, and steel workpieces. Compatible with milling machine spindles and machining center tool holders accepting a 0.375-inch shank, including ER collet systems and Weldon-style end mill holders. Part of the Cleveland HD-4C series.

Installation Notes

Installation is performed by a machinist or CNC operator. Ensure the machine spindle is fully stopped and locked out before inserting or removing the end mill. Seat the shank fully into the holder and torque set screws to the tool holder specification when using a Weldon flat holder. Inspect the cutting edges for chipping before each use; a damaged edge on a double-end tool should be rotated to the fresh end rather than run until failure.