Hardcore and Metal similar to Slipknot

[Jimmy... Dead.]

Bands like Slipknot, let me see:

Mudvayne
Nothingface
Static-X (I think they're pretty tacky but..)
Skinlab
Machine Head

Nail on the head!

 

[Belligerent]

^Nothingface do not use turntables.
An Audio Guide For Everyday Atrocity is actually a good album but they don't remind me of Slipknot at all. More like Pantera and Tool.

 

[Black Friday]

Ugh. This thread is full of fail.

 

[General Zaroff]

Get Iowa if you haven't.

Also, people have said Five Finger Death Punch sounds somewhat like Slipknot.

Maybe try Will Haven. They are repetitive though.

And Mnemic - The Audio Injected Soul

 

[the phoenix]

The closest comparisons I can think of while remaining decent.. Earthtone 9, start by checking out song Star Damage for Beginners off the top of my head.. Korovakill, try Waterhells.. of course there's Zyklon, try Hammer Revelation.. and then well mang some Korn songs can rock the right mood, try to ignore the self-pitying lyrics, you know..

 

[Hatebreeder]

Some mildly decent deathcore:

Winds of Plague
The Faceless
Suicide Silence

Linkin Park, maybe?