Product Description
The Heli-Coil T1084-4E080 is a precision tangless free-running wire thread insert manufactured from Nitronic 60 stainless steel to deliver superior anti-galling protection and long-term thread reinforcement. Precision-formed from cold-drawn wire with a diamond cross-section, this tangless insert features drive notches at both ends, enabling bi-directional installation without the risk of loose tang debris or foreign object damage (FOD). Specialized alloy properties eliminate cold welding and thread galling during assembly without relying on dry film lubricants or secondary platings. Operating in a free-running configuration, it permits M4x0.7 male metric hardware to turn smoothly without rotational drag, distributing clamping stresses uniformly across the host material to maximize joint fatigue strength and stripping resistance.
Nitronic 60 Anti-Galling Alloy High-performance austenitic stainless steel formulation prevents thread seizure, galling, and cold welding during high-speed or elevated-temperature assembly.
Tangless FOD Prevention Eliminates tang break-off and retrieval steps, streamlining installation while safeguarding sensitive assemblies against loose metallic debris.
Bi-Directional Fast Installation Reversible profile with engineered drive notches on both ends allows the insert to be driven from either direction without indexing errors.
Free-Running Dynamic Rotation Permits standard male metric hardware to spin smoothly through the helical profile without added prevailing torque or friction.
Product Specs
- SKU:
- T1084-4E080
- Thread Size (Inch):
- 0.1575
- Thread:
- M4x0.7 Metric Coarse
- Overall Insert Length (Decimal Inch):
- 0.3150
- Tang:
- Tangless
- Material:
- Nitronic 60 Stainless Steel
- Number of Free Coils:
- 8-1/2
- Length to Diameter Ratio:
- 2:1 (2D Nominal Length)
- Coating/Finish:
- None (Plain)
