RockNut kit with a 1.25 in. right-hand thread supplies a collet-style locking nut and a weld-in bung for suspension fabricators. The design locks components together under clamping force to prevent jam-nut loosening during extreme movement. This kit is intended for insertion into 1.75 in. x .188 in. wall tube and includes a black zinc plated nut and a raw, weldable steel bung for secure installation.
RockJock RockNut Kit Nut and Bung 1 1/4in RH Thread