Changing a HAD Socket Bit
To Remove a Bit:
Loosen and remove the set screw from the socket, using an index key.
Remove the bit.

To Insert a Bit:
Insert the bit into the socket.
Insert the set screw into the socket and tighten.

Loosen and remove the set screw from the socket, using an index key.
Remove the bit.
Insert the bit into the socket.
Insert the set screw into the socket and tighten.