Key Stock Undersized 12 Inch Length 3/16 X 5/16 Inch Low Carbon Steel Zinc Finish Magnetic Built To Last For Precise Fits And Custom Keywork In Fabrication And Machining Projects

Undersized key stock for precise fabrication fits
✔️ 12 in length, 3/16 x 5/16 in, zinc plated, magnetic, Pack 1

Undersized key stock is a magnetic metal bar used to create custom keys for pulleys, gears, and fixtures in fabrication and machining projects. Made from low carbon steel with a zinc finish, it resists corrosion and provides dependable fits in tight tolerances.

✅ Length: 12 in (304.8 mm) cross-section 3/16 x 5/16 in (4.76 x 7.94 mm)
✅ Material: low carbon steel; Finish: zinc plated; Magnetic
✅ Tolerance: thickness -0.003 in (-0.076 mm); length -0.125 in (-3.18 mm)
✅ Tensile strength: 64,000 PSI (~441 MPa); Rockwell hardness B85
✅ Pack: 1 per item; Origin: United States
✅ Use: Make your own key for fixtures and machining setups

💡 What is undersized key stock used for in metal fabrication and machining setups?

- Handy for creating custom keys in pulleys, gears, and fixtures - Ideal for quick-fit prototypes and reversible adjustments on benches - Zinc finish provides corrosion resistance in workshop environments - Magnetic features help keep keys aligned during assembly ✝️