Making a Knife From Coil Spring

by Robinson_knives in Workshop > Metalworking

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Making a Knife From Coil Spring

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I take a old coil spring from a car and turn in in to a Viking seax and you can to

Gather the Steel

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I use old Honda suspension coil spring and cut a pice off with my angle grinder

Forge the Steel Flat

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Take the pice of spring heat it up to a hot orange color and use a hammer and anvil to straighten then flatten the steel in to a useable billet for the knife

Forge the Blade

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Use the hammer to move the steel in to the shape you like I went for a Viking seax style blade

Forge the Handle

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Using the horn of your anvil share the handle to what you think will work best then let the knife cool to air temperature

Grinding the Knife

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Using a belt sander grind the handle flat and Grind bevels on either side until you have a thin edge

Heat Treat

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Heat up the knife to a orange color and quench in oil until it is cool to touch then temper the knife at 450 degrees for 2 hrs and let cool and your knife is ready for a handle