inside door handles falling off

[The Rocknrod]

Originally Posted by vince1

Why would you want to tap them to 1/4" when !2-20 screws are surely available?

Modify them if you have to according to the description above in post #19.

Post #19... 10-24?, 10-32?, 1/4-20 etc. What is written in #19 can you please explain it to us? I'm curious as to what it means.

[vince1]

OK I guess 12-20 is not a common size. From what I have just looked up #12 thread pitch would normally be 24 or 28 threads per inch. I think I would try running a 12-24 tap through before going to 1/4"

So that tells me that if I measured the screw correctly at 12 -20 it must have been a special screw made by GM.

Does nobody supply these original type door handle screws? It seems wasteful to drill and tap good original handles for lack of the correct screw.

[vince1]

Attempting set screw picture

[forestb]

Originally Posted by vince1

OK I guess 12-20 is not a common size. From what I have just looked up #12 thread pitch would normally be 24 or 28 threads per inch. I think I would try running a 12-24 tap through before going to 1/4"

So that tells me that if I measured the screw correctly at 12 -20 it must have been a special screw made by GM.

Does nobody supply these original type door handle screws? It seems wasteful to drill and tap good original handles for lack of the correct screw.

I am using after market handles.

[The Rocknrod]

Their 1/4"-20 threads. Slotted Dog Point Set Screw. I think we'd be looking a long time to find exact new ones though. You can find allen head dog points though.

[vince1]

My mistake then if they really are 1/4 - 20. I should have thought to put a caliper on the threads. Then it would be easy to modify something 1/4 - 20 to work. Not a total waste of time, we have pictures.

[vin63]

More surface area, the better for clamping (threads and set screw end).

Originally Posted by vince1

Why would you want to tap them to 1/4" when !2-20 screws are surely available?

Modify them if you have to according to the description above in post #19.

[TopFuel1966]

Originally Posted by forestb

Was the hole size 1/4-20 or did you reatap it or just force it?

My original screws were #12 or possibly a metric thread with a slotted head and they kept coming loose from the shank. I drilled and tapped them for 1/4-20 set screws with an allen head.

[vince1]

1/4 - 20 they are. I measured the major thread diameter at .243" so close enough. The head diameter was .252" and the the little nub at the end was .150" diameter. Time to eat crow. I must have been having a seniors moment.

[The Rocknrod]

Looks like Jim Carter has them:
http://www.oldchevytrucks.com/cart/p...21&i=9741|||||
Item Number: WI121

[The Rocknrod]

Wow. I pulled the set screws for the window cranks (counter part) and door handles in hopes to place in there dog point allen set screws instead. With a thread gauge I went through everything I had and couldn't find a match, some kind of strange made up BS.
The originals I have are 1/4-20 but very old and worn. Maybe I can tap them, what do you think?

[nsb29]

My originals were rough so I went with the aftermarket after picking them up off the floor several times I used a little Loctite

[The Rocknrod]

Originally Posted by nsb29

My originals were rough so I went with the aftermarket after picking them up off the floor several times I used a little Loctite

Yes, I just installed them with blue loctite, so we shall see.

[karlbenz]

Originally Posted by 64shortbox

I had the same problem on my reproduction door handles. Where the set screw made a mark or slight dimple in the serrated shaft on the door actuator I simply drilled a dimple where the set screw left its mark, drilling the dimple slightly larger than the set screw. I haven't had a problem with the handles falling off since.

I did the same

[Nappers]

If anyone has any lead shot (smaller), I put some in the handles and put the set screw in and tighten. I use it on my reloading dies and pretty much anything with a set screw.....

[karlbenz]

Originally Posted by Nappers

If anyone has any lead shot (smaller), I put some in the handles and put the set screw in and tighten. I use it on my reloading dies and pretty much anything with a set screw.....

How long does that last? never thought about lead

[Nappers]

Originally Posted by karlbenz

How long does that last? never thought about lead

I haven't had them fall off yet! The lead squishes pretty good unless you use too much. I have really tiny re-used lead shot from indoor ranges that I'm using.