
Heli-coil 3G-OTH-528871 — Technical Specifications
HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 100 PK (MPN A3591-4CNW250). These 18-8 stainless steel inserts feature a 1/4"-28 fine thread, right-hand direction, and a tensile strength of 200,000 to 250,000 psi. Designed for metal substrates, they include a dry film lubricant finish and require an STI tap size of 1/4"-28.
Technical Specifications
| Parameter | Value |
|---|---|
| Type | Screw-Locking, 100 PK |
| Brand | HELI-COIL |
| Finish Type | Dry Film Lubricant |
| Thread Size | 1/4"-28 |
| Thread Type | Fine |
| STI Tap Size | 1/4"-28 |
| 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 | A3591-4CNW250 |
