Bridgeport 5/16” R8 collet. Has been used. Had some light surface rust that cleaned right off with steel wool but left discoloration. It’s purely cosmetic. Does not affect the function of the collet.
Bridgeport R8 Collet, 5/16" Mill Milling Machine Tooling Machine Shop Tool
$24.99
Brand
Bridgeport
Size
5/16 in
condition
Used