20 Pcs Round Ended Feather Keys 40x10x8 Millimeter Carbon Steel Drive Shaft Parallel Keys Keyway Stock Assortment For Mechanical Fasteners Industry For Industrial Use

High-quality carbon steel feather keys set for drive shafts
✔️ Set includes 20 carbon steel keys, each 40mm (1.57 in) long, 10mm (0.39 in) wide, and 10mm (0.39 in) thick for industrial fastening

Feather keys are simple mechanical parts that lock shafts to hubs or bushings, helping transfer torque without slipping. They're go-to in machines, cars, and factory setups where you need solid connections for smooth operation.

✅ Material: Durable carbon steel for long-lasting strength
✅ Dimensions: 40 mm (1.57 in) length, 10 mm (0.39 in) width, 10 mm (0.39 in) thickness
✅ Pack size: 20 pieces, ideal for stock or repairs
✅ Color: Silver finish for easy handling and corrosion resistance

💡 What role do feather keys play in mechanical systems for torque transmission?
This setup ensures reliable power transfer in rotating parts.
- Boosts efficiency by preventing slippage during high-speed operations
- Works well in automotive and machinery to handle various loads
- Reduces wear compared to other fasteners, extending equipment life
- Simplifies installs in tight spots for everyday maintenance jobs

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