Metric Die Nuts are designed for cleaning, repairing and restoring damaged external metric threads on bolts, studs and threaded rods. Manufactured from high-quality HSS, these die nuts are ideal for thread maintenance, rethreading and repairing existing threads rather than cutting new ones. Suitable for use in engineering, automotive, maintenance, fabrication and workshop applications, Metric Die Nuts provide accurate thread restoration across a wide range of metric sizes.