Genuine Delta replacement part, this item is sold individually.
The purpose of the is nut is to secure the blade of the Table Saw to the Saw Arbor.
It is a left hand ACME thread.
It is used on all of the right tilting Table Saws listed below.
This replacement insert is specially designed for Delta table saws. It is a genuine OEM sourced item, not an aftermarket equivalent. These inserts help to reduce splintering on the cuts and prevent thin slices of wood from jamming in between the blade and the plate.