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Originally Posted by holmsy2000
so, why is it that everyone uses titanium for the liners when you can buy stainless sheet for 1/3 the price? will the lock not work as well?
also how come the lock doesnt scratch the blade when your opening the knife. and also what holds the detent ball in its place?
brett
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6al/4v titanium makes a natural spring when the lock bar is bent. Requires no heat treat. Lighter than steel. Reqires no heat treating.
Heat treatable stainless must be heat treated after all drilling and tapping is done and the lock bar has been bent, and the ball detent has been drilled. Then the stainless must be cleaned up to remove heat treat scale, and it may be warped.
Stainless must be heat treated in order to use it as a spring.
Some custom knifemakers use stainless for liners, but they have the experience to deal with it.
I suggest you follow one of the tutorials or get a copy of "My Way", either will answer all your questions.
The lock bar doesn't scratch the blade because the blade is harder, and if the knife is made correctly, the detent ball rides on the blade when opening and closing. In any case if the knife is made right, any scratches are covered by the liners.
The detent ball is press fitted into its hole in the lock bar.