Helicoil
HELI COIL/STANLEY ENGINEERED FASTENING HE5521-6 THREAD REPAIR KIT 3/8-16UNC
THREAD REPAIR KIT 3/8-16UNC
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Create A New AccountHeli-Coil R-Pack thread inserts provide a durable, precision-engineered solution for repairing or reinforcing damaged internal threads. Designed for 7/16-14 UNC thread size with a 1-1/2 diameter length, these inserts restore stripped or worn threads to original strength in metal, plastic, and composite materials.
Each pack contains 6 inserts, making it a convenient supply for maintenance, repair, and overhaul (MRO) applications in automotive, industrial, and manufacturing environments. Backed by Stanley Engineered Fastening's trusted Heli-Coil brand quality.