Tighten Up The Handles

[Good Cheer]

For handles with a bolt and nut that won't stay tight, a lock washer doesn't cut it. Trying out a finisher washer as a substitute for a conical compression washer, with the curved top portion against the handle. Got my fingers crossed but it appears to be working.

[megasupermagnum]

How hot do the handles get? I would try a nyloc nut.

[Mitch]

Might gat a bit hot for nylock i have a set like that wont stay tight.I use a center punch for pean the threads a bit that lasted a while.I will use a chizel this next time.the nylock might work i know the handels get pretty hot some times \.

[country gent]

Drill and tap a set screw in one of the nut flats. Or if its a full sized nut go to 2 jam nuts

[Winger Ed.]

In desperation, once in awhile I'll whack a bolt's threads with a center punch about where the middle of the nut will end up.

[Good Cheer]

Staking the threads was another possible method. I just elected to try the Ace store while in town. They didn't have what I was after but hunted something up that might do the job. Thinking a little high temp lube under the bolt head, on the washer's curved surface against the handle and between the handles will be a good thing.

Any hoo, the 2nd hand .410 push through sizer came in and it's time to throw some boolits.

[mdi]

There are several types of lock nuts that do not use nylon (some even use aluminum). Here is one common style; https://www.mcmaster.com/locknuts Also some spring washers. Might help; https://www.mcmaster.com/spring-washers


In desperation, once in awhile I'll whack a bolt's threads with a center punch about where the middle of the nut will end up.
That'll work. Another style of locknut uses the same principle. A nut is "punched" on the side enough to distort the ID threads, adding friction and "locking" the nut.
https://www.mcmaster.com/locknuts (upper left pic).

[Beagle333]

Red Loctite 272 is rated to 450°. I doubt the nut ever exceeds that. The mold itself usually runs 400-420.

[Wooserco]

Squeeze the nut in a vice (very slightly). It compresses the treads and creates a mechanically locking nut. No nylon to melt, no Loctite to have to heat to unthread. I've used it many times on machinery. I've even gone so far as to use a hammer and punch on one of the flats. (sometimes by trial and success due to over doing it :) ).