3591-3CN190 - Heli-Coil

Precision threaded wire insert designed to restore or reinforce internal threads in tapped holes. This helical coil insert features a coiled wire construction with a tang drive for easy installation, providing durable, wear-resistant threads in softer materials such as aluminum or plastics. Ideal for repair applications or for creating strong, reusable threads in new assemblies.

Dimensions

• Inner Diameter (ID): 4.57 mm
• Outer Diameter (OD): 6.20 mm
• Length / Width (W): 4.72 mm

Configuration

• Type: Helical threaded insert (wire thread insert)
• Style: Tang drive installation
• Thread Form: Internal machine thread (fine precision coil)

Features

• Restores damaged or stripped threads
• Provides stronger threads than original base material
• Corrosion-resistant construction
• Lightweight and compact design
• Easy installation with standard insertion tools