Today we are making a couple DIY woodworking marking knives. My son has been wanting to try metal working and blacksmithing for a while and I thought a great first project for him would be to make a marking knife. This project can be with minimum tools and can be completed in a weekend. We used 1/16th” O1 tool steel for our marking knives since enough steel to make about 6 of these knives was less than delivered to my door. You could also use an old saw blade if you wanted. In the video we shape the knife with a hack saw, sander and some hand files. We harden the metal with a couple propane torches and anneal it in a kitchen oven. This is truly an easy beginner bladesmith or knife making project and we had a great time making them.
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DIY Woodworking Marking Knife