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Re: I need some case screws #50wpa


 

Ran into a bunggered thread in a case half on my QMX HB.? Was able to tap it out with one of the actual screws, carefully backing out often. They are M2.5mm x 8.?

Then lost a screw too.?

Bought this off of Amazon. Lots of different sized small case screws for cheap with fast delivery.?



73 GREG



On Wednesday, August 14, 2024 at 09:32:06 AM EDT, Richard Hattaway via groups.io <rhattaway@...> wrote:


I picked up a 50 W kit and optional case at Dayton this spring. It¡¯s now built and ready to commission but I found the screws supplied with the case are too large.?

They measure ~2.9 mm across the threads. The screws with my QMX measure ~2.4 mm across the threads and they fit the 50 W case just fine.?

I can solve this multiple ways. If I knew the actual size of the larger screws I could tap the case. I have a few metric taps including two 3mm taps with different pitch .55 and .6 IIRC. ?But I am not convinced the screws are 3mm.?

or if I knew the actual size of the QMX screws I could purchase a pack of them off Amazon.?

I tried measuring the pitch but the results were inconclusive.?

Any other ideas ? ?

73
Dick
W4PID.?

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