Square Machine Key Set For Shafts And Hubs In Machinery Applications One Quarter By One And Three Quarters Inch Size Durable Steel Keyway Six Pack Hillman Group Model 2163

Six-Pack 1/4 x 1/4 x 1.75 in Square Machine Keys
✔️ Cross-section 1/4 in square (6.35 mm); length 1.75 in (44.45 mm); zinc plated steel, 6 pcs

Square machine keys lock components on shafts and hubs to prevent relative rotation, a common setup in general industrial machinery like motors, pulleys, gears, and sprockets.

✅ Size: 1/4 in square cross-section (6.35 mm); length 1.75 in (44.45 mm)
✅ Material: zinc plated steel for corrosion resistance
✅ Pack: six keys per set for multiple assemblies
✅ Application: standard keyway fit for common machinery

💡 What is a square machine key set used for in shafts and hubs? A handy reference for maintenance and assembly in industrial gear systems. - Properly sized for standard 1/4 in square keyways and fits most shafts and hubs - Zinc plated steel gives solid durability in workshop or field use - Six keys per set means you can service multiple assemblies at once - Easy install with standard shaft and hub keyway; no special tools needed