140 Piece Keystock Set With Round End Keys For Drive Shafts, Carbon Steel, Rust Resistant Keyways, Parallel Keyways, 8mm 10mm 12mm 16mm 20mm 25mm 30mm, Built To Last, High Precision

High-Quality 140-Piece Round End Drive Shaft Key Set
✔️ 140-pc set in 8-30 mm sizes; rust-resistant carbon steel

This 140-piece drive shaft key set provides round-ended keys in 8-30 mm sizes, made from A3 carbon steel. Rust-resistant and wear-resistant, these keys fit standard keyways to secure gears, hubs, and bushings in industrial machines, workshop repairs, and DIY projects. It's a handy complement to sealed ball bearings and linear slide units in complex mechanical assemblies.

✅ 140-piece set across 8, 10, 12, 16, 20, 25, 30 mm sizes
✅ Material: A3 carbon steel, rust resistant, wear resistant
✅ Round-end keys designed for precise keyway fit
✅ Includes labeled plastic storage case for easy pickup
✅ Broad applications: gears, hubs, and bushings in machinery
✅ Built for long life with consistent manufacturing precision

💡 What is a drive shaft key set used for in mechanical assemblies? This handy tool secures gears, pulleys, and hubs to shafts by fitting into standard keyways. - Helps transmit torque from shaft to hub without slipping - Fits common keyways from 8 to 30 mm for quick installs - Made from rust-resistant carbon steel for long life - Packed in a labeled case for easy size selection