Hertel 84511815 Roughing End Mill 3/8 in 4 Flute Cobalt

Product Description

The HERTEL 84511815 is a single-end roughing end mill designed for aggressive material removal in milling operations. Built from M42 cobalt high-speed steel with a TiCN coating, it delivers enhanced wear resistance and heat tolerance compared to standard HSS tooling. The cutter measures 3/8 inch in diameter with a 3/4 inch length of cut and a 2.5 inch overall length. Four flutes and a right-hand cutting direction make it suited for conventional roughing passes on ferrous and non-ferrous workpiece materials. Machinists and tool-and-die professionals install this end mill in manual or CNC milling machines where stock removal rate is the primary goal.

This roughing end mill is intended for use in shop environments where material is being hogged out prior to a finishing pass. The 3/8 inch shank seats directly into standard collets or end mill holders of matching bore. Its non-centercutting geometry means it is not designed for plunge cutting. Typical applications include profiling, slotting, and peripheral roughing in steel, stainless, and similar materials where cobalt tooling provides an advantage over standard M2 HSS.

Key Features

• M42 cobalt construction provides increased red hardness and tool life in demanding cuts
• TiCN coating reduces friction and extends edge life compared to uncoated tooling
• 3/8 inch diameter with matching 3/8 inch shank for direct collet or holder mounting
• 4-flute geometry balances chip evacuation with rigidity for roughing passes
• Right-hand cut and right-hand flute direction for standard milling setups
• Single-end design; non-centercutting, not rated for plunge entry

Compatibility

Designed for use in standard 3/8 inch collets or end mill holders on manual knee mills and CNC machining centers. No specific machine model compatibility was provided in the product data.

Installation Notes

Installation should be performed by a qualified machinist following shop safety procedures. Ensure the spindle is fully stopped and locked out before inserting or removing the end mill from the holder. Seat the shank to the recommended engagement depth in the collet or holder and torque the retention mechanism per the toolholder manufacturer's specification. Because this is a non-centercutting tool, do not program or attempt direct axial plunge moves into solid material.