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maxserg
06-20-2019, 02:06 PM
Do you know where I can find the 4 screws/bolts for the alnico 2420 driver back cover? Mine are quite damaged. I can’t find that in HW stores. The head is cylindrical, they are Phillips type an fine threads.

I just ant to be shure that they’re airtight (the covers)

Earl K
06-20-2019, 02:30 PM
The bolts you seek have a "Fillister (https://www.homedepot.com/p/Crown-Bolt-10-24-x-3-4-in-Phillips-Fillister-Head-Machine-Screw-98358/203538674)" head.

I'm not sure what the thread size is.

:)

PS; Here's (http://www.audioheritage.org/vbulletin/showthread.php?587-2420-Screws&p=4122&viewfull=1#post4122) an older post of mine responding to the same question.

rdgrimes
06-20-2019, 07:30 PM
Should be a standard 8-32 machine screw. They have bins of them at Lowe's. Take yours along with you to compare.

maxserg
06-21-2019, 08:27 AM
Thank you both!

maxserg
07-17-2019, 02:22 PM
I’ve found the length. It is 1-1/4” inches.

Codetalker
11-17-2022, 11:43 AM
You can search on Amazon, I ordered screws several times there

Codetalker
11-24-2022, 12:23 PM
Update, Amazon screws are awful and broke the next day after instaling

maxserg
11-24-2022, 02:07 PM
Update, Amazon screws are awful and broke the next day after instalingI guess that I will go to an industrial store. I imagine that I’ll have to order a box of 100…☹️

Riley Casey
11-24-2022, 02:10 PM
If you're in the US this has been a good sources but yes 100 piece minimum for most items.https://www.fastenal.com/?utm_campaign=Brand&utm_source=google&utm_medium=ppc&utm_term=fastenal&utm_content=3326675-e1-ng-me-c14651903223-g127606662175-a546015208472-uCjwKCAiAyfybBhBKEiwAgtB7fhQb3WvwybQhvP5_9IRWZ2aPM Q20qIhwyf631WQqAb0Swsu3fy4YlBoC07wQAvD_BwE-cat10305863-kfastenal-mod
I guess that I will go to an industrial store. I imagine that I’ll have to order a box of 100…☹️

maxserg
11-24-2022, 02:26 PM
If you're in the US this has been a good sources but yes 100 piece minimum for most items.https://www.fastenal.com/?utm_campaign=Brand&utm_source=google&utm_medium=ppc&utm_term=fastenal&utm_content=3326675-e1-ng-me-c14651903223-g127606662175-a546015208472-uCjwKCAiAyfybBhBKEiwAgtB7fhQb3WvwybQhvP5_9IRWZ2aPM Q20qIhwyf631WQqAb0Swsu3fy4YlBoC07wQAvD_BwE-cat10305863-kfastenal-modI live in Canada, province of Quecec.I’ll have to find out…

christo
11-24-2022, 07:42 PM
I live in Canada, province of Quecec.I’ll have to find out…

I use Bolts Plus, and have been able to find specialty bolts like this for mounting 1500AL-1s
https://boltsplus.ca/productInfo.php?prodID=2102-0025

In Canada Fastenal will not deal with Joe Public.

https://www.boltsplus.ca/

maxserg
11-24-2022, 10:35 PM
I use Bolts Plus, and have been able to find specialty bolts like this for mounting 1500AL-1shttps://boltsplus.ca/productInfo.php?prodID=2102-0025In Canada Fastenal will not deal with Joe Public.https://www.boltsplus.ca/I have a company Inc. So I should have a chance…