Steel for making hardware

[T Bredehoft]

O1, Oil hardening. Heat the screw until it drops from a magnet (looses magnetism) (cherry red) into a can of old (or new) oil. When cool, use it, or soak it in an oven at 500º for half an hour. Then use it. You won't be able to file it.

 

[SLK001]

How do you heat treat yours?

Hand torch and an can of oil.