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Woodruff Keys

Woodruff Key

Woodruff Keys are used for locking gears and pulleys to shafts. On the shaft, they fit into a keyseat, which is a circular pocket that retains the key. An exposed portion of the key fits into a rectangular groove, often called the keyway, in the gear or pulley. Because the keyseat is circular, the key will self-adjust to angled spines. The 200-series is full radius; all other Woodruff Keys have a flat bottom. See our Woodruff Key Dimensions reference charts.

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Code Product Qty. Package Qty. Carton
KY113-4142 3/8 x 1 1/2" (1.484" Lng) Woodruff Key #G, Carbon Steel
KY113-6142 3/8 x 2 1/8" (1.380" Lng) Woodruff Key #129, Carbon Steel
KY113-5142 3/8 x 2 1/8" (1.723" Lng) Woodruff Key #29, Carbon Steel
KY113-7142 3/8 x 2 3/4" (2.317" Lng) Woodruff Key #T, Carbon Steel
KY113-8142 3/8 x 2 3/4" (2.000" Lng) Woodruff Key #TX, Carbon Steel
KY113-9142 7/16 x 2 3/4" (2.317" Lng) Woodruff Key #U, Carbon Steel
KY113-0142 7/16 x 2 3/4" (2.000" Lng) Woodruff Key #UX, Carbon Steel
KY113-1142 1/2 x 2 3/4" (2.317" Lng) Woodruff Key #V, Carbon Steel
KY113-2142 1/2 x 2 3/4" (2.000" Lng) Woodruff Key #VX, Carbon Steel
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