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Yeah Kevin, I am now investigating the options of readily available Acme threaded stock and deep nuts. I'm still going to visit my buddy's dad to see what he can come up with. I know if my Dad was still around (tool & die guy, welding wizard) we would have this thing knocked out of the park...

Ok, the threads appear pretty strained and stretched as they vary between .865"-.878". Essentially it's a .875" diameter thread (rod) and 8.75" of the rod is threaded. The measurement from the tip (threaded end) end to the rear of the keeper slot is about 11 19/32". As stated before the...

KMScott, I will get the spec when I get home tonight. Thanks for the thread terminology, I couldn't find the proper term or name of these threads.

Well, the good news is that the collar comes off the handle piece easily. The bad news is that I pulled the main nut out of the solvent soak to get all the crud and grease cake cleaned off and what do you know...trashed threads in the middle third of it, between 5:00 and 7:00. I thought the...

Thanks for the added pictures Tom, and thanks for the welcome KZ. I started to tackle the knob cap last night, but someone hammered the heck out of the surrounding edges and severely swaged the cap in place. The more I think about it...since the main screw shaft is in two pieces after the...

Wow! I didn't even consider that the handle was not the pass through style and that it could have been threaded right into the knob. This explains a lot! As you can see, the handle is threaded on one end (and bashed to heck). They drilled through the main screw shaft to allow this to pass...

Thank you for the patent link. I need to figure out how to blow it up to see the specific spring arrangements. Here are some photos of the vise and the butchered knob pinning that I'm trying to work around. If you can see in the last two photos, the clutch is disengaged when the shadetree...

Thank you for the idea on the main nut keeper pin. I was thinking the same thing, to tap a larger pin and either shim behind it or add a set screw. As far as the main screw retention, this model actually has a slot cut around the main screw which is kept in place by a retention plate that is...

I inherited an old Athol 713 vise and while trying to learn more about it I've repeatedly ended up here. I love the restorations that everyone here has done on these old vises. I just took this one apart to strip her down and get it looking good again. It is a 4" jaw width, 6" opening, 3.25"...

Hi everyone, my name is Kevin and I have been lurking here for a few years. We bought our first house a few years ago and with all the renovation opportunities, I initially focused on getting my shop set up in the for all the stuff I would need to accomplish. Well, now I am settled in and I...