Half Moon Key 3/16 X 5/8 Inch SAE 61 Carbon Steel With Plain Finish, High Tensile Strength 72,000 PSI, Shaft Keyway Fit, Pack Of 100 For Precise Mechanical Assembly

High-strength half moon keys for shaft fits, pack of 100
✔️ C-1035 steel key, 3/16 x 5/8 inch size, 72,000 PSI strength, plain finish, precise assembly in 100-pack

A half moon key is a curved metal piece that slides into a shaft keyway to lock parts together, often found in machinery, automotive repairs, and industrial equipment for reliable torque transfer.

✅ Made from durable C-1035 steel with Rockwell hardness B90
✅ Key size measures 3/16 x 5/8 inch, length 0.625 inch, height 0.2340 inch
✅ Tensile strength rated at 72,000 PSI for tough mechanical loads
✅ Supplied in a pack of 100 with length tolerance from +0.000 to -0.010 inch

💡 What makes half moon keys a go-to option for fixing shafts in gear systems?
These keys offer a straightforward way to handle torque in machines.
- They provide a snug fit that prevents slipping under pressure
- Their design supports easy setup in high-stress environments
- They work well for quick swaps in repair jobs
- The steel build ensures long-term reliability in daily use

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