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There are special heavy duty galvenized joist hanger nails that you should use.

 

This if hanging from 2X lumber, if hanging from 4X then longer galvanized nails are fine. That said I have used stainless flat head screws with no issues. Just don't use deck/counter sink screws.

 

I don’t use nails for anything.
Nails back out over time. Example A



And yes the wood is shit so probably doesn’t help but yeah

 

Exactly. Lag bolt those bad boys.

 

You want to bring on the wrath of @OZ-T ?

 

Link for more details...
https://www.tacomaworld.com/threads/why-do-americans-still-use-slotted-screws.205006/

 

Gawddammot I'm not responsible if some jacaranda uses countersink screws and the fooking thing all falls down. Not directed at OP. He wants to do the right thing.

 

I use nails unless the tie specifies using screws.
https://www.strongtie.com/products/...tors/technical-notes/fastener-types-and-sizes

https://www.strongtie.com/strongdri...trong-drive-sd-connector-screw?source=topnav#

 

Shoot some ring shanks in it.

 

Not like that thing will ever need to come apart!

 

Just trying to improve his wind rating.

 

oh I remember quite clearly

 

If you're going into treated lumber, use galvanized

 

Hansnfranz

 

hanger nails or Simpson hanger screws

 

here we have to use stainless hangers and fasteners if in contact with ACQ treated lumber in areas exposed to re-wetting (ie rain & snow)

 

So $7 a hanger compared to $2 for zinc plated? Damn. Don't tell Cali please.

 

Load of lumber to start my 6x6 deck project after my patio is poured.

 

I'm pretty certain its only in coastal BC (like our requirement for a rainscreen behind siding) , might have something to do with the proximity to the ocean air but ZMax galvanized hangers were basically rotting off the buildings , like a galvanic corrosion type of reaction where the pressure treated material goes through continuous wetting / drying cycles

check pricing on stainless post saddles , lol