Restore rusted and damaged screw threads. These dies are hex shaped for use with conventional wrenches.

These dies open to wrap around your workpiece, so you can start thread repair anywhere along the length of a bolt, stud, or rod.

With a smaller width than regular hex dies, these dies are suitable for repairing rusted and damaged left-hand threads in tight spaces.

Repair the broad, square threads on Acme threaded studs and rods. These dies are for general purpose Acme threads with a Class 2G thread fit.