110/112 pivot question

[Blue Sky]

I’d appreciate some clarification about how the pivots are put together. I’ve always believed that they used a straight-through pressed in pin, but lately I’ve seen comments the ends were peened or expanded in some way. What’s the truth here? Has it changed over time?

 

[DeSotoSky]

For a starter, see post #3 in this thread from about 10 days ago.

How To - Buck 110 ---4 dot Brass Rod diameter?

Can anyone tell me what diameter of brass rod I need in order to make a new blade, pivot pin on my old Buck 110? Thanks in advance.

bladeforums.com

 

[Blue Sky]

I did see that. Unfortunately, it cast some doubt on my long standing belief of a simple press fit.

 

[Tecate]

Not sure if this will help or not, but around 3:44 into the video it shows all of the pins/rivets being pushed in.

 

[Blue Sky]

Thanks Tecate! I’ve watched it in slo-mo several times and it looks like plb might be correct after all. I plan to watch a few more times to be sure.

 

[plb]

I believe the factory press swells the end of the pins to prevent blade wobble and spreading of the bolsters if the blade is used for prying. Here's a link that may be useful.

Buck 110 pivot pins and bronze bushing - Does Buck knives sell them?

I am curious to know if Buck sells their 110 pivot pins and bronze pivot bushings. I have gotten to the point I want to reblade knives and I have run into "issues". I can buy 1/8 inch silver nickel and brass rods for pins that measure right at .125. The problem is the Buck pins are .129 and...

www.bladeforums.com

Also, here's an image of a factory installed 112 pin that I removed. It shows the swelling that occurs during assembly.

 

[Blue Sky]

Thanks very much plb, that helps greatly! I wish I could do more than just give your post a like!