Broken spindle on Trioving 5312/8 lock. Do I need a complete new lock?
No need to replace the complete lock, the spindle is available as a spare part for 5312/8, please see link below:
Take a look at the 8mm stainless steel spindle, they are available in several lengths, please note they cannot be shortened so you'll need to ensure you order the correct length spindle for the door thickness.