crwdns2934241:0crwdne2934241:0 mayer

crwdns2934249:0crwdne2934249:0:

Make sure the bit is all the way in the hole and centered after tightening the chuck.  Also make sure the bit is not bent.  Power up the drill and put your finger on it where the smooth part is (if you can) to see if it is vibrating.

crwdns2915684:0crwdne2915684:0:

open