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The VALUE COLLECTION C1100202-1/2 is a Woodruff keyseat cutter designed for milling semicircular keyseats in shafts and mating components. Built from high speed steel with a bright, uncoated finish, it features a 0.3125-inch cut diameter, a 0.0625-inch cut width, and a 1/2-inch shank diameter for secure chuck or collet mounting. With 6 straight teeth, it produces clean, accurate keyseat profiles suitable for standard Woodruff key applications. This cutter conforms to ANSI standard number 202-1/2 and is also referenced under old standard number 206, making cross-referencing to engineering drawings straightforward. It weighs 0.1 pounds and has an overall length of 2.0625 inches.
This cutter is used in machine shop and maintenance environments wherever shaft keyseating is required. Typical applications include manufacturing or repairing drive shafts, pump shafts, motor shafts, and gearbox components that rely on Woodruff keys for torque transmission. It is suited for use on manual milling machines and CNC machining centers. Machinists, tool-and-die makers, and maintenance mechanics working in industrial, automotive, and OEM production settings are the primary users of this style of cutter.
Designed as a direct-fit replacement or equivalent for ANSI standard Woodruff keyseat cutter number 202-1/2, also listed under old standard number 206. Compatible with milling machines and machining centers that accept a 1/2-inch shank arbor or collet.
Installation is performed by qualified machinists or maintenance mechanics. Secure the 1/2-inch shank firmly in the spindle collet or arbor and verify runout before cutting. Always power down and lock out the machine before mounting or removing the cutter. Follow standard milling machine safety practices and applicable shop safety codes when operating at speed.
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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