DIY Annealing and Hardening Steel for Knife Making. Most high carbon steel like car leaf springs or lawn mower blades are great for knife blades. They are hard enough to hold and edge and strong enough to last a lifetime. The only problem is cutting and grinding this hardened steel can be very difficult. This short video shows DIY knife makers how to soften the steel so its easier to cut and grind into shape. It also demonstrates not only how to re harden the steel but also how to temper it so the finished knife will hold an edge and not be brittle.
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Post time: Jun-25-2017