thermal fuse can be obtained from RS, or Maplin they come in temperature valve's replace with the same value and you fix them by crimping to the wire at either end.(not soldering the connection)
wirecutterman
November 2011
I can answer this question...
where can i buy a thermal fuse for my b & d 18v charger and how do i fit it?
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix electric screwdrivers.