3/8 X 1-1/4 Woodruff Key SAE E Workhorse Half Moon Keyway In C-1035 Steel Plain Finish Precision Ground Shafts And Gears Compatible Industrial Grade Easy To Install 10 Pack

3/8 x 1-1/4 Woodruff Key in C-1035 Steel, Precision Ground
✔️ 3/8 x 1-1/4 in, SAE E half moon Woodruff key, 10-pack

Woodruff half moon keys are designed to lock gears, pulleys, or sprockets to shafts, ensuring accurate torque transmission and reduced slippage in machines. This SAE E size (3/8 x 1-1/4) is common on industrial equipment and small power-transmission assemblies.

✅ Key Type: Half Moon Woodruff
✅ Material: C-1035 Steel
✅ Finish: Plain
✅ SAE Number: E
✅ Key Size: 3/8 x 1-1/4 in (9.525 x 31.75 mm)
✅ Length: 1.250 in (31.75 mm)
✅ Height: 0.5310 in (13.49 mm)
✅ Tensile Strength: 72,000 psi
✅ Rockwell Hardness: B90
✅ Package: 10

💡 What is a woodruff key used for in shaft assemblies?

That handy part keeps gear and shaft parts turning together with minimal play.

• Locking gear to shaft for positive drive
• Fits standard keyways and half moon shapes
• Made from carbon steel for durability and easy machining
• Used in conveyors, small mills, and industrial gear trains

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