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How to Build a Knife

Step 2Ingredients: choosing and finding materials for your knife

Ingredients: choosing and finding materials for your knife
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Next: choosing and obtaining materials. You'll want a carbon steel (NOT stainless), such as 01, which I used for this knife. There are other steels out there, but 01 is good to start with. You don't want stainess steel because it has to be sub-zero tempered, which is bad. It also doesn't make as fine a blade. You'll want a slab or bar about 1/8 to 1/4 of an inch. I believe my steel was 3/16. You'll also need handle material, such as wood, micarta, bone, leather, cord, stone, gem, another type of metal, mammoth ivory, or meteorite. Believe me, they've all been done. For my project I decided to use Purpleheart wood. It's my favorite type because it's unique, beautiful, tough, and above all, cheap. You'll also need pins or rivets and epoxy to attach the handle. I used a brass rod for my pins.

The first picture is me with my chosen slab of steel. Notice the missing sock--this is vital to the success of the project ;-). I got it from a Northern Tool Supply, an industrial metal and tool supply warehouse a few miles from me. Finding steel was one of the most difficult parts of this project for me, because I live in a pretty rural (Maine is pretty much all rural) area and there's not a whole lot around. You can salvage steel from saw blades and the leaf springs from cars of you can't find a commercial dealer, but chances are you can.

The second picture is of the Purpleheart wood, which I got at Atlantic Hardwoods, a flooring and marine hardwood supplier in Portland. Again, there's probably something near you, just try the yellow pages or the internet.

After you have the steel, trace your design onto it in permanent marker. You'll notice that my tracing is a little bit bigger than my design--I had to elongate the handle to fit my hand, and the blade just didn't look good unless it was a good inch longer than the grip. Now you're ready for the next step.
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24 comments
May 1, 2012. 6:16 PMtorpedo22 says:
A great place for Purple heart knife handle blanks is the Exotic wood group. And for O1 carbon tool steel is Metals Depot.

I love this tutorial its exactly what I was looking for.
May 19, 2012. 11:34 PMcocopenguin21 says:
Thanks much for the metal site, was scouring the internet with no promising results before.
Aug 4, 2011. 1:08 PMTheWaddleWaaddle says:
I'm not the only one with One-Sock-Syndrome! Yes! My mom will be so proud!

-TheWaddleWaaddle
Jun 20, 2011. 11:01 PMshadow wave rider says:
you can use stainless steel if you cant get carbon steel right?
Dec 4, 2009. 7:25 PMrobertthor says:
 It's impossible to find the dang carbon steel in on the internet!
May 29, 2011. 3:46 AMoldanvilyoungsmith says:
Google Kelly Cupples, he's where I buy steel.

Also, try googling Admiral steel, And Aldo (known as NJ Steel Baron). You can also buy a lot of different kinds from Jantz knifemaking. Expect to pay for your shipping though. If you have a friend that runs a business, see if you can get it shipped there. I got my order of 11 LBs of steel to go from $30 something for shipping, to $13 something. Just by having it shipped to a business instead of my house.
Mar 7, 2010. 8:37 AMminer69 says:
try an old tool file, they work
Dec 27, 2009. 7:10 PMpicklepie159 says:
http://www.admiralsteel.com/products/blades.html

shipping is killer, though.
i like 1095 steel, because quencent for that is normal water, instead of complicated salted vegetable waste oil whatnot
plus, water doesn't burst into flames when you stick a 1095 into it
and ka-bars ar made of 1095
Jun 22, 2010. 7:34 PMsabre says:
How much was the steel? I'm looking at getting started in knife making and having a hard time finding a price to judge by.
Apr 4, 2011. 1:26 PMyoung skipper says:
You can buy a somewhat soft steel from texas knife works.com. 440 is great for people just getting into it.
Mar 27, 2011. 1:52 PMGstv.Inc says:
you gonna need a belt grinder to
http://www.beaumontmetalworks.com/
look for KMG 2x72 is the most used for making knifes
May 19, 2012. 11:49 PMcocopenguin21 says:
The 01 steel on that site is cheaper than another site and is available in 3/16 but says it's already been annealed, do I anneal anyway or no?
Mar 13, 2011. 9:48 AMMR.builderguy says:
By the way, leafe springs are not for making knives; they are for crossbows.
Oct 3, 2009. 9:55 AMgeodez says:
i have a nice block of purpleheart wood, i was wondering what to do with it.
Oct 12, 2009. 7:32 PMred-king says:
 purpleheart wood is nice....
Dec 31, 2009. 10:20 PMMrMystery96 says:
purpleheart wood?
Jan 3, 2010. 9:58 AMred-king says:
 
Oct 14, 2009. 10:30 AMgeodez says:
wood....niiiiiiiiiiiiiiiiice....
Oct 20, 2009. 7:11 PMred-king says:
 hahaha....
Oct 21, 2009. 9:28 AMgeodez says:
yes!
Dec 19, 2009. 5:53 PMBlaaken says:
search purgatoryironwooks if you want to actually learn something man, this knife will litterally suck, and you learn nuthing except how to make a sharp piece of metal, leaarn to black smith, then yowill have accomplished something to be proud of.
Dec 31, 2009. 2:55 PMfoxtrot4697 says:
a knife is a sharp piece of metal
Dec 22, 2009. 8:04 PMhairydevil says:
dude, lets see you make a better knife.

May 1, 2012. 8:00 PMBlaaken says:
Hey, I just wanted to say that I am sorry for saying this knife sucked, I was fifteen and only had just started looking at black smithing, now that I am a little older I know that I was pretty ignorant and I apologize. So long as your bar stock is of good quality for knife making, then this is a great method.
May 1, 2012. 6:18 PMtorpedo22 says:
Nice Comeback.
Dec 31, 2009. 10:09 PMMrMystery96 says:
after doing a bit or research, I can say, this is a well done 'ible, and as far as I can tell, this knife is great.
Oct 26, 2009. 5:46 PMDon,t try this at home says:
What are the dimensions on the steel that you used.
Jun 25, 2009. 7:03 PMjps42 says:
how wide was the blade
Jun 11, 2009. 8:44 PMRasengan says:
You guys should check online metals.com instead.
Jun 11, 2009. 8:21 PMRasengan says:
Hey, drij, i priced a sheet of 1/4" x 36" x 6" O1 tool steel at mcmaster.com, it's $105 per sheet. I'd say that's a bit much, unless you plan on making plenty and plenty of knives.
Jan 30, 2009. 9:08 PMgeneral-Insano says:
what would be a good type of steel that is durable and takes longer to rust? such as stainless steel or tool steel?
Jan 9, 2009. 7:11 AMyukiyama says:
I have recently started building my second knife(first was a complete failed) I only started it because I was very board at work. I work at a hotel and we had some used bed frames that we where throwing away. I have sharpened many knives in the past so I know what a good material feels like and the bed frame was already the size I needed (or close to) and it was ridged enough to be good at sharpening. I was building my knife with raping it in a tennis racket wrap but after this presentation I'm going to give it to a co-worker and build another one using a wood handle
Oct 21, 2008. 4:01 PMapod says:
where else can u get this kind of sheet metal?
Nov 21, 2008. 9:22 AMdrij says:
You can get O1 tool steel (and a variety of other carbon or tool steels) online at www.mcmaster.com -- they're a little more expensive than a specialized steel distributor, but they'll also just sell you 1 sheet and you'll have it in 1-2 days.

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