The Heli-Coil 5407-16 is a professional-grade MRO and aftermarket kit designed for repairing and reinforcing 1-11-1/2 NPT pipe thread connections. It provides a reliable, durable threaded insert solution ideal for maintenance, repair, and overhaul applications across industrial and commercial environments.
This kit is engineered by Stanley Engineered Fastening under the trusted Heli-Coil brand, making it a go-to choice for restoring stripped or damaged NPT pipe threads to full strength without replacing the host component.