Where can I get replacement screws for the Amazon Kindle Fire HDX?

Where can I get replacement screws for the Amazon Kindle Fire HDX? I specifically need the T4 flat head screws for mounting the USB port.

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0

crwdns2942205:01crwdne2942205:0:

This question was migrated from http://meta.ifixit.com/Answers.

crwdns2934271:0crwdnd2934271:0crwdne2934271:0

crwdns2934285:0crwdne2934285:0