HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #4-40 Thread Size, Plain
The HELI-COIL Helical Insert is a free-running, tanged tang style insert with a #4-40 thread size, right-hand, coarse thread, made from Nitronic 60 metal with a tensile strength of 200,000 psi. Supplied in a…
SKU 3G-OTH-599212
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Product Description
The HELI-COIL Helical Insert is a free-running, tanged tang style insert with a #4-40 thread size, right-hand, coarse thread, made from Nitronic 60 metal with a tensile strength of 200,000 psi. Supplied in a 100-pack, this plain finish insert is designed for inch-series applications, providing reliable thread reinforcement in metal assemblies.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces threads in metal assemblies, preventing stripping in soft materials like aluminum. This free-running, tanged tang style insert with #4-40 thread size and 200,000 psi tensile strength provides durable, reusable threads in inch-series applications across industrial equipment.
What are the specifications of the HELI-COIL A1185-04EN280 insert?
This HELI-COIL insert is a free-running, tanged tang style with #4-40 thread size, right-hand, coarse thread, made from Nitronic 60 metal. It has a tensile strength of 200,000 psi, plain finish, and comes in a 100-pack. It is designed for inch-series applications requiring reliable thread reinforcement.
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies HELI-COIL helical inserts like the A1185-04EN280 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this 100-pack of #4-40 free-running inserts for your thread repair needs.
How to install a tanged tang helical insert?
To install a tanged tang helical insert, drill a hole to the specified tap drill size, tap threads using the correct tap, then use a tang installation tool to wind the insert into the hole until it sits slightly below the surface. After installation, break off the tang with a punch for a clean, permanent thread.
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Common applications for HELI-COILHELI-COIL Products
3G Electric supplies HELI-COIL free-running tanged helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









