Serco Nylock Nut, 5/16"-18 UNC. Fits Serco grapples.

Replacement hardware in the size and grade used on the loader, so it can go back together to spec.

Midwest Tractor & Equipment in Buckley, Michigan is a licensed Serco dealer. Not sure this is the right part? Contact us with your loader's model and serial number and we'll confirm fitment before you order.