Collection: Key Steel

Find reliable key steel and key bars for secure shaft connections and efficient power transmission. Our cold-drawn square and rectangular key steel fits standard keyways to prevent slippage and deliver zero backlash in gears, sprockets and pulleys. Choose from zinc-plated steel for corrosion resistance or 303 and 304 grade stainless steel for demanding environments and long service life. We stock Precision Brand and other trusted manufacturers to ensure accurate tolerances and consistent performance in industrial and mechanical assemblies. Whether you need metric or imperial sizes, short runs or bulk quantities, our range supports maintenance, repairs and new builds across manufacturing, marine and mining applications. Fast order processing and expert product guidance help you select the right key for a secure fit and optimal torque transfer. AIMS Industrial ships worldwide and offers free shipping on orders over $299 to Adelaide, Brisbane, Melbourne, Canberra, Perth and Sydney. Browse the collection now to compare sizes, materials and finishes and get the components you need for dependable power transmission.