Which screw to use for wood blocking?

[Rik Patel]

Hi All! 

What screw do you use to screw wood blocking into a metal stud?

Also, which screw do you use to screw a floating vanity into the wood blocking? 

There is wood blocking that is 2x6 and 1x6 in my wall. 

[Rik Patel]

Do you predrill or just point it at the stud and drill into the wood? @Paul Sandhu