New OEM M6-12A Half Nuts / Split Nuts for the 6″ Atlas 618 & Craftsman 101 Lathes

ACME 1/2″x 16 Right Hand Threads.

Please Note – these are M6-12A half nuts used in the later model lathes, they are wider than the early M6-12 nuts. The threaded portion is 3/4″ wide. Please measure your existing nuts before purchasing to confirm fitment.