How to Forge a Knife From an Old Railroad Spike (DIY)

Introduction

An art form that spans millennia, bladesmithing recently has seen a surge in popularity. DIYers need to be careful, though — you just might find yourself with a new hobby or profession.

For Jason Kraus, that’s exactly what happened. For more than a decade he’s made swords, daggers and axes. Here, he’ll show us how to make a beautiful knife from an ugly railroad spike.

Meet the Expert

Family Handyman

A full-time bladesmith for more than 10 years, Jason Kraus has appeared on the hit shows Forged in Fire and Master of Arms. He operates Northstar Forge in Carver, Minnesota.

You’ll Need a Gas Forge

A gas forge is by far the most reliable and controllable type of forge to operate. Coal forges may have old-world charm, but they come with a steep learning curve. To get up to speed quickly, start with gas.

This forge is simple­­ — a propane tank feeds a burner in an insulated chamber. Find one online for as low as $150; search for “gas forge for knife making.”

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