A beautifully made set of high speed woodruff key cutters comes in a handsome wood storage base. Woodruff cutters are used for milling (cutting or shaping) woodruff key slots in metal materials. Woodruff key slots are a pocket intended to accommodate a key – an element used to connect a rotating machine element to a shaft. The whole system is called a keyed joint.
This 10-piece set includes 1/2 shank American Standard #s 403 (3/8 x 1/8). 204 (1/2 x 1/16). 404 (1/2 x 1/8). 305 (5/8 x 3/32). 505 (5/8 x 5/32). 406 (3/4 x 1/8). 606 (3/4 x 3/16). 806 (3/4 x 1/4). 608 (1 x 3/16) and 808 (1 x 1/4).

