70-Piece Machine Key Kit With 1-1/2 Inch Keys In 1/8, 3/16, 1/4, 5/16, 3/8 Inch Plus 3/16x1/4 Rectangular Keys In Durable Plastic Compartments Box Great For Your Shop Gearbox Maintenance And Precision Fit

70-Piece Machine Key Kit: 1/8-3/8 in Keys & Rectangles
✔️ 70-piece set: sizes 1/8-3/8 in square keys and 3/16x1/4 rects

This machine key kit provides a complete range of square and rectangular keys used to lock gears, pulleys, and shafts in gearboxes and other machinery. The organized plastic compartmented box keeps sizes tidy for quick shop maintenance and precise fits.

✅ 70-piece set in a plastic compartmented box with lid
✅ Includes 1/8" square (20), 3/16" square (12), 1/4" square (10), 5/16" square (8), 3/8" square
✅ 3/16x1/4" rectangular keys included
✅ Material: 1018 steel
✅ Finish: plain end
✅ Rockwell hardness: B80-90
✅ Tensile strength: 82,000 PSI
✅ Size range: 1/8" to 3/8"
✅ Country of origin: United States

💡 What is a machine key kit used for in precision gearbox maintenance and repair? Here's a handy overview:
- Helps lock gears and shafts during assembly to prevent slip
- Keeps key sizes organized for quick access in busy shops
- Made from 1018 steel for durability in gear work

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