
Heli-coil 3G-OTH-527327 — Technical Specifications
The HELI-COIL Helical Insert (Tangless Tang Style) is a free-running, plain finish insert with a 1/4"-20 coarse thread, right-hand direction, and STI tap size 1/4"-20. Made from 18-8 material grade/class, it offers a tensile strength of 200,000 to 250,000 psi and is compatible with metal. Supplied in a 1,000-piece pack (MPN T1185-4C375S), this inch-system insert is designed for thread repair or reinforcement in metal substrates.
Technical Specifications
| Parameter | Value |
|---|---|
| Type | Free-Running, Plain, 1,000 PK |
| Brand | HELI-COIL |
| Finish Type | Plain |
| Thread Size | 1/4"-20 |
| Thread Type | Coarse |
| STI Tap Size | 1/4"-20 |
| Tensile Strength | 200,000 to 250,000 psi |
| Thread Direction | Right Hand |
| Compatible Material | Metal |
| Material Grade/Class | 18-8 |
| System Of Measurement | Inch |
| Manufacturer Part Number | T1185-4C375S |
