Shaft key & keyway | Key types | Keyed Joint application
Keyseat is a recess in the shaft, and the Keyway is the recess in the hub to receive the key and thus securely lock the component. Generally, the term keyseat is rarely used as keyway is referred to both recesses in the industry. a – Keyway, b – key, c – keyseat, d – keyed joint (Simmons & Maguire, 2004)