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Aluminum self tapping screws.

Aluminum self tapping screws.

Aluminum self tapping screws.

(OP)
Hello,
I'm working on an aluminum structure using 0.25" thickness
aluminum parts that supposed to be attached by using 1/2"
self tapping screws.
I know that there is a problem with steel&aluminum contact.
Can anyone please advise me what kind of material/alloy should I use for the screws and eventualy a supplier?
I also need some details about the capacity of the
screws in aluminum for this thickness.
I appreciate any help.
Thank you

RE: Aluminum self tapping screws.

Check with ITW, Fastenal, Hilti , etc...

These guys make ALL kinds of fasteners..

RE: Aluminum self tapping screws.

Use stainless steel fasteners and you will avoid most corrosion issues.  Type F bolt is self tapping

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