Heli-coil A3585-2CNW164 Screw-locking Insert 8-32 Unc

Product Description

The HELI-COIL A3585-2CNW164 is a screw-locking helical wire insert designed to create strong, vibration-resistant threaded holes in parent materials. It accepts an 8-32 UNC thread at a 1D length-to-diameter ratio, giving it an overall length of 0.164 inches. Manufactured from Grade 304 stainless steel with a dry film lubricant finish, it resists corrosion and installs without a tang, eliminating the need for tang break-off after installation. Maintenance technicians, aerospace assemblers, and industrial mechanics use this insert to repair stripped threads or establish durable threaded connections in softer base materials.

This insert is suited for applications where secure thread locking under vibration or dynamic loading is required. The tangless design is common in precision assemblies where loose tangs inside a bore are unacceptable, including aerospace structures, electronic enclosures, and industrial equipment housings. At 1D length, it fits tightly constrained boss depths while still providing reliable locking torque.

Key Features

• 8-32 UNC thread size with 1D length-to-diameter ratio for shallow boss applications
• Tangless design eliminates post-install tang removal and prevents loose debris in the bore
• Grade 304 stainless steel construction for corrosion resistance in demanding environments
• Dry film lubricant finish supports consistent installation torque and reduces galling
• Maximum locking torque of 9 inch-pounds with a minimum breakaway torque of 1.50 inch-pounds
• 3-1/2 free coils provide thread engagement across the full insert length

Compatibility

Designed as an OEM-style screw-locking insert for any application requiring an 8-32 UNC internal thread with a 1D insert length in a tangless configuration.

Installation Notes

Installation requires a properly sized Heli-Coil tap to prepare the parent material bore before the insert is driven in. Use the correct tangless installation tool matched to the 8-32 thread size to avoid deforming the coils. Power down or de-energize any assembly before thread repair work begins. Follow applicable torque specifications for the fastener being used with the insert once it is seated.