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.
We also offer the mandrels shafts in 3/8 size as well for smaller lathes and drill chucks.
We do carry collet chucks for mt1, mt2, mt3 in stock, guaranteed to fit all mandrels we make.
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
full size 7 to 11
half size from 4.5 to 8.5
half size from 9.5 to 13.5
extra large 13-17