Collection: Key Stocks

Find precision key stocks for reliable power transmission at AIMS Industrial. Our range includes Woodruff keys and parallel sunk keys in both imperial and metric sizes, engineered to lock gears, sprockets, sheaves and other rotating components to shafts with a positive no-backlash fit. Manufactured from hardened steel for consistent strength and wear resistance, these removable keys simplify installation and maintenance across industrial, agricultural and marine applications. Search by shaft diameter, keyway width or standard to quickly locate the exact size you need. We ship across Australia and internationally, with free shipping on orders over $299 for Adelaide, Brisbane, Melbourne, Canberra, Perth and Sydney. Buy single pieces or bulk quantities for workshops and production lines, and rely on fast dispatch and accurate sizing charts to keep downtime to a minimum. Browse our Key Stocks collection now to select the correct Woodruff or parallel sunk key and ensure secure, efficient coupling for your machinery.