In order to change a drill bit in a Black & Decker drill, hold the rear part of the chuck and rotate the front part counterclockwise and insert the new bit. To securely tighten the bit into place, hold the chuck in the back and rotate the front in a clockwise direction.Continue Reading
In order to insert the drill bit:
Hold the rear part of the drill chuck in one hand and with the other hand, rotate the front half in a counterclockwise direction. Insert the drill bit fully into the chuck.
Tighten and secure the bit by holding the rear of the chuck and rotate the front half in a clockwise direction.