fine corse thread screws(mounting subs)

[jdmferio13 10+ year member]

use these to mount subs but what size

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[power-fanatic07 5,000+ posts]

thats a contradiction, you either have fine thread or coarse thread.

IMO i would say coarse thread because there is more area of thread to hold onto the wood. t-nuts are a better alternitive

 

[jdmferio13 10+ year member]

which ones then im asking I have always used whatever i could find but want to do it the right way

 

[jdawg 5,000+ posts]

i use 1 1/4, if double baffle go longer