Harvey Tool 946027-C3 Thread Relief Cutter Solid Carbide

Product Description

The HARVEY TOOL 946027-C3 is a solid carbide thread relief cutter designed for precision undercut and relief groove machining in threaded workpieces. With a cutting diameter of 0.245 inches and a flat width of 0.060 inches, this tool produces consistent, clean relief cuts at thread roots and runout zones. The 1/4-inch shank fits standard collet chucks and milling machine spindles. At 2-1/2 inches overall length, it provides sufficient reach for most standard threading applications. Solid carbide construction delivers the rigidity and wear resistance needed when working in hardened steels, stainless, and other demanding materials.

Thread relief cutters are used in CNC milling and manual machining operations where a relief groove or undercut is required at the base of a threaded section. This tool is suited for precision part production in aerospace, medical device, automotive, and general machining environments. It is typically run in a milling machine or machining center with appropriate spindle speed and feed rate for the workpiece material. Machinists and tooling specialists rely on this cutter for repeatable geometry in production threading setups.

Key Features

• Solid carbide construction for maximum rigidity and long tool life
• 0.245-inch cutting diameter sized for standard thread relief applications
• 0.060-inch flat width for precise, controlled undercut geometry
• 1/4-inch shank diameter compatible with standard collet chucks
• 2-1/2-inch overall length provides reach for most threading scenarios

Compatibility

Designed as an OEM-style replacement and standard tooling option for CNC milling machines and machining centers equipped with a 1/4-inch collet or end mill holder.

Installation Notes

Installation and use of this cutter should be performed by a qualified machinist or CNC tooling technician. Power down and lock out the spindle before installing or changing tooling. Secure the shank fully within the collet or tool holder to the manufacturer-recommended engagement depth before tightening. Always verify spindle speed and feed rate are appropriate for the workpiece material before initiating a cut.