
Heli-coil 3G-OTH-527350 — Technical Specifications
The HELI-COIL Helical Insert (Tangless Tang Style) is a free-running, plain finish insert in a 100-piece pack, designed for 1/4"-28 fine threads in metal. Made from 18-8 material with a tensile strength of 200,000 to 250,000 psi, it uses a right-hand thread direction and requires an STI tap size of 1/4"-28. This inch-system insert is compatible with metal substrates and is manufactured under part number AT1191-4C500.
Technical Specifications
| Parameter | Value |
|---|---|
| Type | Free-Running, Plain, 100 PK |
| Brand | HELI-COIL |
| Finish Type | Plain |
| 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 | AT1191-4C500 |
