51 Products
Square Key Steel
Precision Brand square key steel transmits torque cleanly between shaft and hub, holding its fit under load where a round pin would spin.
Match the bar to the duty: C1018 or C1020 to C1045 steel for general drive and machinery work, or 303/304 stainless steel where corrosion and washdown are a factor. Stocked in Imperial and Metric sizes, in silver, gold and grey.
Filter by material and unit of measure to pull the right key stock for your keyway.