From TLSbooks comes Consonants worksheet and this one too.
Check out this website for free phonics materials which includes learning the consonants!
Kidzone has this page.
Phonicsworld has all kinds of pages.
Free Kindergarten worksheets.
Free printable phonics worksheets, free printable activities, printable workbooks, and phonics worksheet makers from Fun Fonix.com.Fun Fonix Intro: hard consonants and short vowels with writing practice for each letter