304 Stainless Steel Parallel Keys Set For M3 To M12 A Type Square And Rectangular Dowels With Round End Pins Includes M4x4 Three Pieces At 16mm Precision Machined Wear And Corrosion Resistant No Washers Needed For Drive Shafts

High grade 16mm parallel keys for shafts and hubs
✔️ 16mm precision machined, wear resistant keys for drive shafts

This 304 stainless steel parallel key set locks shafts to hubs, ensuring reliable torque transfer in motors, gearboxes, and equipment. It covers common M3 to M12 shaft sizes and is widely used in automotive, industrial machinery, machine tools, and DIY projects where secure, easy disassembly is needed.

✅ Size and type: 16mm parallel keys for square and rectangular dowels
✅ Includes M4x4 three piece set for added compatibility
✅ Corrosion and wear resistant material designed for long life
✅ No washers needed; straightforward install by sliding into shaft-hub gap
✅ Popular in automotive, industrial, and DIY drive shaft repairs

💡 What is a parallel shaft key used for in mechanical assemblies?

This handy component locks rotating parts and transfers torque between shafts and hubs. - handy for locking shafts to hubs and preventing slip under load - helps distribute axial force evenly for stable operation - easy to install and replace with no extra washers