Professional grade wide step expanding ring mandrel, full stainless steel body, and hardware. Easy clean up of glue and chemicals, without the worry of damaging the mandrel or coating.
Steps are 0.250 or 1/4 inch wide per step,
Shaft size is 1/2 inch/.500 for easy mounting in a collet chuck or any other chuck.
All Expanding ring mandrels are supplied with a key, extras available
Six sizes available:
full size from 4 to 9
full size from 9 to 14
half size from 4.5 to 8.5
half size from 9.5 to 13.5
This page contains assembly instructions for the pen kits we supply. If you can not find the instructions you are looking for please email me at email@example.com and I will do everything I can to help you.