On 21 Dec, 04:32, "C & E" wrote:
Many of my old Craftsman power tools have the switches going bad and they
don't carry them anymore. *

Portable stuff is a problem - it usually involves machining up an
adapter block and a well-rated microswitch inside.

For fixed stuff, or table-mounted routers, then it's time to upgrade
to a mgnetic contactor with two buttons, no-volt release and easy
addition of emergency-off knee paddles. An isolator switch too.