Helical Solutions 82977 Corner Radius End Mill 3/16in 5 Flute

Product Description

The HELICAL SOLUTIONS 82977 is a solid carbide corner radius end mill designed for high-performance milling in demanding materials including stainless steel, superalloys, and titanium. It features a 3/16 inch diameter, a 0.0150 inch corner radius, and five flutes arranged in a variable-pitch, spiral configuration. The Tplus PVD coating improves wear resistance and extends tool life in abrasive and work-hardening materials. With a length of cut of 9/16 inch and a 2.5 inch overall length, this tool is suited for both roughing and finishing operations. It is center-cutting and right-hand cutting with a right-hand flute direction, making it a versatile choice for machinists running precision CNC operations.

This end mill is part of the HEV-5 series, engineered for use in stainless steel, superalloys, titanium, non-ferrous metals, and hard materials. The variable-pitch design helps reduce harmonic vibration during deep cuts and high-feed passes. It is recommended for use with high-precision toolholders to maximize runout control and tool life. Typical applications include aerospace, medical, and industrial component machining where tight tolerances and surface finish requirements are critical. The straight cylindrical shank at 3/16 inch diameter provides a secure grip in standard ER collets and precision chucks.

Key Features

• Solid carbide construction for rigidity and wear resistance in hard and abrasive materials
• Tplus PVD coating rated for stainless steel, superalloys, and titanium
• 5-flute variable-pitch design reduces vibration and improves surface finish
• Corner radius of 0.0150 inch strengthens the cutting edge and reduces chipping
• Center-cutting geometry allows plunge entry and ramping operations
• Maximum TIR of 0.0005 inch supports tight-tolerance precision work

Compatibility

Designed for use with high-precision toolholders. Optimized for milling stainless steel, superalloys, titanium, non-ferrous metals, and hard materials. Part of the HELICAL SOLUTIONS HEV-5 series for roughing and finishing applications.

Installation Notes

This tool is installed by a machinist or CNC tooling technician. Before changing tooling, ensure the spindle is fully stopped and the machine is in a safe state per shop lockout procedures. Use a high-precision collet or toolholder to maintain runout within specification — excessive runout will accelerate wear and degrade corner radius integrity. Verify tool projection and reach before starting a new program.