How to heat-treat an O1 knife blade using cheap common tools.

THIS PROCESS CAN BE DANGEROUS! WEAR GAUNTLETS, SAFETY GOGGLES AND AN APRON AT ALL TIMES!

Heat-treating a knife blade is actually quite simple, if you just follow ‘the recipe’. There’s lots of overly-complicated recipes floating around, so I thought I would show you a method that I’ve used and proven for O1 tool steel.

Here’s a list of tools that you’ll need:

O1 Tool Steel: https://amzn.to/1vF0nSo
Channel Locks: https://amzn.to/1DiN9vw
Bernzomatic MAPP torch: https://amzn.to/1wiHkvS
Canola Oil (get 3 or 4): https://amzn.to/1tzQGEF
Quenching container: https://amzn.to/1sXnsNX
Leather gloves: https://amzn.to/1wdYb0R
Safety goggles: https://amzn.to/1FcU7UA

2 Brick forge instructions: https://www.bladeforums.com/forums/showthread.php/920120-Virtual-BBQ-2-Brick-Forge-WIP
(K23 firebricks for 2 brick forge, you can get these cheaper locally): https://amzn.to/1waUvhl

PLEASE NOTE: Doing things of this nature can be extremely dangerous. Use common sense and take every safety precaution to make sure you’re not injured.