Shop Made Knife Hinges

Listing #3070 Listed on: 01/14/2011 Company Name: Travis Owen Furniture
Name: Travis

Knife hinges. Popularized by James Krenov, these things are hard to find. When I did find them, I found out they were over $20 a pair!! So I decided to try and make them. Normally they would be made entirely of brass, but I used what I could find (and afford) which was a flat piece of hot rolled steel 5/8” by 1/8” by 36” in dimension. I started by marking out the piece for each half of the hinges and the holes. I drilled all of my holes, then countersunk the screw holes so the screws could sit flush. I then cut the sections tediously with a hacksaw and set the pieces aside. I bought a short brass rod and cut it up for the pins. I used a ball peen hammer to rivet the two hinge halves together with the brass pins. Then, a lot of grinding, filing, and polishing later I have a nice looking knife hinge to use on future projects.

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Posted By:Jason
I've made a bunch of those, mostly with offset pins. Brass is a whole lot easier as you can cut it on the table saw, bandsaw, miter saw.
Posted By:Travis
I would like to make more in the future. I like the idea of the offset pins, do they act more like an "L" type knife hinge?
Posted By:Chris
I'm with Jason. You did a really nice job. Now try it in brass. Not really that expensive, nicer to look at. You're a woodworker, you know materials are cheap, the labor is where the money is at. Brass will save labor. Offset are "L" shaped, unless you have a situation where other than 90 deg is needed.
Posted By:correy Smith
Good Effort. I must agree that brass over the cold rolled would be a wiser choice. A washer between the leaves is nice too. I use copper rod for the pin. I have made them as big as .75x2.5" .
Posted By:Garry Daniels
And they only cost you $30 per pair in labour and materials.
Great saving!
Posted By:James
I recently made these using stock from brass entry door hinges. I screwed them down to a scrap to drill mounting holes and hinge pins, cut the offset hinge outline with a hack saw, and finished with cheap files. For hinge pins I used stock from brass hooks and set on an anvil. Easy!
Posted By:Travis
Since I have more time than money, it was well worth it. Frankly, I like the way they look, being steel and not brass.

James - Good idea using the brass from entry door hinges, I'll have to try that too.
Posted By:Travis
Anyone who wants a more detailed description for how I made these, please feel free to contact me.

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