Making a lockback folding knife from a file.

[@woodlandbiker]

Do you need to heat treat the blade.

[@c4knives]

Yes. I annealed it before working with it. I’ve already heat treated it and tempered it once I was done getting everything shaped and fitted. I show that on some of videos. I just didn’t video the whole process this time.

[@PINACI]

@@c4knives I was going to ask how you filed a file with a file but you answered my question here !

[@Colby-m7q]

I tried making my first kickback knife and the the the lock was loose on the blade how do I fix that?

[@c4knives]

There have been times I’ve just had to remake the rocker arm altogether. However if I have enough thickness to it I may file the hook of the lug a little deeper into the it basically making the lug larger in order to fit a little tighter. One thing I’ve gotten in the habit of doing is to leave the rocker arm thick until I get the lock (the lug into the notch) fitted right just so I have more to work with. One technique I’ve used a few times, is lay the rocker arm on its side and hammer the face of the lug (the part that inserts into the slot on the tang) a little to flare it out to tighten the fit in the notch on the tang. I hope that helps. Kind of hard to describe here. Feel free to email me at [e-mail]. May be easier with images.

[@blueberry766]

​@@c4knives hello can you try making the cold steel Tri-ad backlock? It's the same as a back lock but with a thick stop pin kzbin.info/www/bejne/b4qppIZsndyknLMsi=SY4xrB7Ah7Yvplnm

[@seanwhitaker975]

Do you make the spring or get them from somewhere?

[@c4knives]

I cut it myself. Unfortunately I really don’t know what kind it is. It was in some scrap sheet metal in a toolbox I picked up at a flea market. Seemed like it was from some sort of scraper. I just tested different pieces to find something that was stiff but still had some flex and straightened back to true each time.

[@blueberry766]

​​@@c4knives which scrap piece did you use? And did you heat treatment it or anything? Also what steel did you use for the back lock spine?

[@wmmaro]

Was the coolant heat treated before starting work?

[@c4knives]

I’m assuming a typo there. I annealed the file before working with it. I then heat treated it and tempered it before assembly.

[@wmmaro]

​@@c4knivesI need a drawing for each part so I can print it and make something similar

[@c4knives]

@wmmaro I don’t use any drawings for my folders. I just make the design as I go. The very first folder I made was wooden. Just to learn the parts. I just found drawings online by just googling “folding knife plans”.