CALLIHAN is a mechanical engineer and woodworker who makes and restores hand tools in Wisconsin.

Slow cooling. After annealing the metal, bury the blade in dry sand to cool it very slowly.

Quenching to harden. After reheating the tool to a cherry-red color, quench it by stirring it in oil. This rehardens the end of the tool.

Tempering. To toughen the metal and make it less brittle, temper it by heating it very slowly until it turns straw-yellow.

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A Course In Wood Turning

A Course In Wood Turning

Ever wondered what wood turning is all about? Here are some invaluable information on how to make beautiful items out of wood! That one little strategy from A Course In Wood Turning that I implemented not only worked, but the results were completely astonishing. I had never seen anything like it! Now, keep in mind that I had tried a lot of other products up until this point. You name it, I probably tried it! That’s how desperate I was to improve my skills with wood turning.

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