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The HARVEY TOOL 23516-C3 is a solid carbide Woodruff keyseat cutter designed for milling semicircular keyseats in shafts and bores. It features a 0.25 inch cutting diameter and a 0.046 inch cutting width, producing accurately sized keyways to match standard Woodruff key stock. The straight tooth configuration and AlTiN coating provide reliable performance across a range of ferrous and non-ferrous materials. With a 1/4 inch shank diameter and 2.5 inch overall length, this cutter mounts directly in standard end mill holders or collets on CNC machining centers and manual knee mills. Machinists and tool-and-die professionals use this style of cutter for keyseat work on precision components.
This Woodruff keyseat cutter is suited for job shop, production, and maintenance machining environments where accurate keyway profiles are required. It is appropriate for use in both CNC and manual milling setups. The solid carbide construction makes it well-matched for harder workpiece materials and higher spindle speeds where high-speed steel tooling would wear prematurely. The AlTiN finish extends tool life in dry or semi-dry cutting conditions. It is sold individually and is a direct-use item requiring no assembly before installation in a compatible tool holder.
Designed as an OEM-style keyseat cutter for use in standard 1/4 inch collets or end mill holders on CNC machining centers and manual milling machines capable of accommodating a 2.5 inch overall length tool.
Installation is performed by a machinist or tooling technician. Secure the 1/4 inch shank in a matched collet or end mill holder and verify runout before beginning the cut. Power down and lock out the spindle before changing or inspecting the cutter. Avoid side-loading beyond the rated cutting width, and do not use this cutter for plunge milling operations outside its designed keyseat profile.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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