What finish do the screws and nuts have to resist rust?

The screws and nuts have a nickel-plated finish to prevent rust.

What is the quantity and type of screws included in the package?

The package includes 20 M6 screws and 20 M6 cage nuts.

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StarTech CABSCRWM620 StarTech.com Rack Screws - 20 Pack - Installation Tool - 12 mm M6 Screws - M6 Nuts - Cabinet Mounting Screws and Cage Nuts

Install your rack-mountable hardware securely with these high quality cabinet mounting screws and rack nuts
Nickel-plated finish to prevent rust
Server rack nuts / M6 standard screw / M6 nuts / M6 mounting screws / Hard to find screws / M6 Cage nuts and screws / M6 mounting screws / Network rack screws / Rack mount screws / Rack mounting screws / Server rack screws / Screws and nuts / Server rack cage nuts / Rack cage nuts
Package includes 20 M6 nuts and 20 M6 screws