Deftones had (have) their own sound. I’ve seen some good early nu metal suggestions already. Best I can offer are metal bands I was listening to near the same time I was listening to these.

Tool - Undertow and Aenima
Marilyn Manson - Anti-Christ Superstar
Korn - Korn and Life is Peachy
Static-X - Wisconsin Death Trip
System of a Down - System of a Down
Pantera - Far Beyond Driven and The Great Southern Trendkill
Slipknot - Slipknot
Limp Bizkit - Three Dollar Bill, Y’all
Soulfly - Primitive
Coal Chamber - Coal Chamber and Chamber Music
Godsmack - Godsmack
Disturbed - The Sickness
Staind - Dysfunction
Machine Head - The Burning Red
The Union underground - An Education in Rebellion
Spineshank - The Height of Callousness
White Zombie - Astro-creep 2000
Full Devil Jacket - Full Devil Jacket
Drowning Pool - Sinner
Cold - 13 Ways to Bleed on Stage