Dotco die grinder

[30hamms]

Long story short.... picked up a couple dotco die grinders and now im in need of new collet chuck nut. Cracked in half...
Digging in i believe it is a 300 series collet. If anyone has has some info, would be greatly appreciated.

MDL 10L 1200B 36

 

[cvairwerks]

Should be able to get them from anyone that can service Dotco, or from Dotco direct.