5/16" UNF Left Hand Threaded Insert (3/4" OD) Tube Adaptor Female for Rod Ends
5/16" UNF Left Hand Threaded Insert. Carbon Steel, Bright Zinc Plated - INS5L-LRG (3/4" OD). McGill threaded inserts are manufactured to be within excellent tolerances. These are commonly used for motorsport when making linkage bars.