I think your drill came from the TV shopping channel QVC
PARTMASTER .CO.UK sell some QVC spares
But I somehow doubt you'll be able to get what you seek
It costs money to keep spare parts on the shelf
And I don't think there's much demand for what you want.
Good Luck...
May 2016
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix drills.