Heli-coil 3G-OTH-599199 — Technical Specifications

The HELI-COIL Helical Insert is a free-running tanged tang style insert with a 1/4"-28 thread size, right-hand orientation, and fine thread pitch. Made from 18-8 metal with a dry film lubricant, it offers a tensile strength range of 200,000 to 250,000 psi. Supplied in a 100-piece pack (MPN A1191-4CNW375), this inch-series insert is designed for thread repair or reinforcement in metal applications.