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Handwheel Lock Knob for General 650 Cabinet saw

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Forum topic by AlanH posted 02-16-2020 06:00 PM 354 views 0 times favorited 4 replies Add to Favorites Watch
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AlanH

10 posts in 52 days


02-16-2020 06:00 PM

Picked up a beautiful 650 General cabinet saw at an estate sale. It is missing the Lock Knob for the tilting handwheel. I contacted General (now General International) with no response either email or phone. I have read online that the ones from a Unisaw will work. Sawstop has one that looks identical but not sure thread matches! Thread diameter is a smidge larger than 1/4”. Haven’t been able to find my thread pitch gauge. Any ideas guys?

https://s3.amazonaws.com/vs-lumberjocks.com/q5t342j.jpg!


4 replies so far

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LesB

2422 posts in 4123 days


#1 posted 02-16-2020 06:21 PM

The thread is most likely metric size. You could probably find a matching bolt at a big box store or a screw and fastener specialty shop and grind down the threads on the end if you can’t get an exact replacement. Then add a plastic handle.

-- Les B, Oregon

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MrUnix

7841 posts in 2879 days


#2 posted 02-16-2020 07:08 PM

You could probably find a matching bolt at a big box store or a screw and fastener specialty shop and grind down the threads on the end if you can t get an exact replacement. Then add a plastic handle.
- LesB

That’s kind of what I initially did for my Unisaw, which was missing the lock knobs. Although, I started out with a plain metal rod and used a metal lathe to form the tip portion… then I used a proper sized die to thread the remainder:

I was just getting ready to make the knobs for them out of recycled milk jugs (HDPE) when I ran across a set on the buy/sell forum over at OWWM.

If you are only missing one, then getting the dimensions should be fairly easy. The tip doesn’t have to be perfect, just smooth enough so that it pushes the lock ‘bullets’ outward when screwed in.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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AlanH

10 posts in 52 days


#3 posted 02-16-2020 07:54 PM

Thanks Brad! I thought that would be a last resort, but could be done.

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LittleBlackDuck

3899 posts in 1501 days


#4 posted 02-17-2020 09:56 AM


.... Haven t been able to find my thread pitch gauge. Any ideas guys?
- AlanH

Hell… buy a new thread pitch gauge… they’re not as expensive as trying to snoop ideas without specifications and once you bought it you’ll be able to find it next time.

OOPS… sorry… didn’t realise you’re a newbie (welcome to LJ) and I really don’t want to scare you away as there is great advice and help available here…

Nevertehless, I still stand by my statement (as once posted cant be deleted though could have been watered down) of spending a few shekels to buy a new gauge if you cant find your old one… Put a $ value on your time and you probably could have bought a dozen for the time you may have wasted looking for the old one.

-- If your first cut is too short... Take the second cut from the longer end... LBD

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