will they fit a asus Z170-E m.2 slot?

they're universal screws for m.2 slots. ordered some for myself thinking in misplaced mine when it turned out i had another one still attached to the board. so check before you spend $6 on 2 standard screws.

Are thesescrews M2 x 2.5 mm or M2 x3 mm?

3mm. the heads were kind of small, in my opinion, but they did work fine.

Questions & Answers: Replacement M.2 Mounting Screw for M2 Size SSD (2-Pack) - For Notebook / Laptop slots.

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Replacement M.2 Mounting Screw for M2 Size SSD (2-Pack) - For Notebook / Laptop slots.

Replacement M.2 Mounting Screw for M2 Size SSD's.
Guaranteed fit for laptop/notebook M.2 slot.
May not fit desktop motherboards (due to brand specific standoffs)
Perfect for when you lost your motherboard or adapters M.2 screw.
Package includes 2 screws.
Ships from USA.

Out of Stock