Sizes of Woodruff keys

KEY NUMBER KEY DIMENSIONS SHAFT DIAMETER HEIGHT OF KEY ABOVE SHAFT DEPTH OF KEYWAY
DIAMETER WIDTH MINIMUM MAXIMUM
204 1/2 1/16 5/16 3/8 0.0312 0.1718
304 1/2 3/32 5/16 1/2 0.0469 0.1 561
404 1/2 1/8 9/16 3/4 0.0625 0.1405
405 5/8 1/8 9/16 3/4 0.0625 0.1875
505 5/8 5/32 13/16 15/16 0.0781 0.1719
406 3/4 1/8 11/16 3/4 0.0625 0.2505
606 3/4 3/16 1 1 1/8 0.0937 0.2193
507 7/8 5/32 /8 15/16 0.0781 0.2969
807 7/8 1/4 1 5/16 1 1/8 0.1250 0.2500
608 1 3/16 1 1 7/16 0.0937 0.3443
1008 1 5/16 1 1/16 1 5/8 0.1562 0.2818
609 1 1/8 3/16 1 1/16 1 7/16 0.0937 0.3903
810 1 1/4 1/4 1 1/4 1 3/4 0.1250 0.4220
1210 1 1/4 3/8 1 1/2 1 7/8 0.1875 0.3595
1011 1 3/8 5/10 1 13/16 2 0.1562 0.4378

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