Cleveland C33281 Square End Mill 7/8 in 4 Flute Hss Ticn

Product Description

The CLEVELAND C33281 is a 4-flute square end mill designed for material removal and finishing cuts in cast iron, non-ferrous metals, and steel. Built from high speed steel with a TiCN (titanium carbonitride) coating, it offers improved wear resistance and heat tolerance compared to uncoated HSS tooling. The cutting diameter is 0.875 inches, the length of cut is 1.875 inches, and the overall length is 4 inches. A 30-degree helix angle promotes efficient chip evacuation and smooth cutting action. The straight-cylindrical shank with Weldon flat accepts standard end mill holders and collet chucks commonly found in vertical milling machines and machining centers.

This end mill is suited for general-purpose milling operations in job shops, maintenance machining, and production environments. The centercutting geometry allows direct plunge entry, making it practical for slot milling, pocket milling, and profiling without a pre-drilled pilot hole. The right-hand cut and right-hand spiral flute configuration is the standard orientation for conventional and climb milling on CNC and manual machines. Series HG-4C designates a high-performance ground HSS end mill intended for applications where solid carbide tooling is not required or cost-justified.

Key Features

• 0.875-inch cutting diameter with 1.875-inch length of cut for regular-length reach
• TiCN coating improves surface hardness and reduces built-up edge on ferrous and non-ferrous materials
• 4-flute design balances chip clearance with surface finish quality
• 30-degree helix angle promotes chip flow and reduces cutting forces
• Centercutting — capable of direct plunge milling without a starter hole
• Weldon flat on straight shank prevents slippage under heavy side loads

Compatibility

Designed as an OEM-style replacement or direct-use end mill compatible with standard end mill holders, Weldon-style tool holders, and collet chucks sized for a 0.625-inch shank diameter.

Installation Notes

Installation is performed by machinists or toolroom personnel. Secure the shank fully within the holder to the recommended gauge-line depth before tightening; ensure the Weldon flat is aligned with the set screw. Verify spindle runout with a dial indicator before engaging the cut to protect tool life. Follow the machine manufacturer and tooling supplier recommended speeds and feeds for the specific workpiece material — do not exceed the tool's rated cutting parameters.