where can I find adjustable handle knobs in metric thread?

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Forum topic by JesseTutt posted 574 days ago 890 views 0 times favorited 5 replies Add to Favorites Watch
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763 posts in 611 days

574 days ago

Topic tags/keywords: question metric bolts adjustable handle knob

There is a slight mis-alignment in the upper guide assembly on my Grizzly bandsaw. Unfortunately, Grizzly uses metric. Instead of trying to find and use an allen wench every time I raise or lower the upper guide to reposition the side bearings, I am considering replacing the allen cap screws with an adjustable handle knob (picture below). Where can I find a supplier of these?

-- Jesse, Saint Louis, Missouri

5 replies so far

View Rex B's profile

Rex B

304 posts in 751 days

#1 posted 574 days ago

Look here on McMaster-Carr. On the left you can select the metric thread size you need.

-- Rex

View crank49's profile


3245 posts in 1472 days

#2 posted 574 days ago

Another source is Reid supply.

-- Michael :-{| Diapers and politicians both need to be changed often; and for the same reason.

View syenefarmer's profile


379 posts in 1581 days

#3 posted 574 days ago

Yet another source;

View JJohnston's profile


1572 posts in 1792 days

#4 posted 574 days ago

I second McMaster-Carr. The nut-gripping part on one of these on the tool rest on my cheap Harbor Freight lathe wore out really fast, so I replaced all of them at once w/metal ones from McMaster. Granted, it’s just pot metal, but they still beat plastic.

-- The whole aim of practical politics is to keep the populace alarmed (and hence clamorous to be led to safety) by menacing it with an endless series of hobgoblins, all of them imaginary. - H.L. Mencken

View HorizontalMike's profile


6700 posts in 1415 days

#5 posted 574 days ago

I bought mine at WoodCraft. I bought the larger size, cut the thread off, re-tapped to my desired threading and used a piece of “all-thread” to complete these adjustable bolts. This was one of the first upgrades I did for my astronomical telescope mount, in order to eliminate the “Allen screw” syndrome that you mention:


(Below) Tool-less RA & DEC Adjusting Clutch Levers and Thumbscrews – I found the adjustable levers at a WoodCraft Store but they only came in either 1/4-20 coarse thread (too small to drill out and re-tap) or 5/16” threads (got these because they allow for re-tapping) so a good friend tapped and drilled the 5/16” bolt heads on the lever to the required 1/4-28 fine thread pitch and added the all-thread. Spacers are required to miss the RA housing and should be 5/8” long but still leaving 1.5” of threaded bolt on the end.

-- HorizontalMike -- "Woodpeckers understand..."

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