HELI-COIL Free-Running Tangless Helical Insert
The HELI-COIL Helical Insert (Tangless Tang Style) is a free-running, inch-system insert with #4-40 thread size and coarse, right-hand threads. Made from 18-8 material with a tensile strength of 200,000 to 250,000…
SKU 3G-OTH-527336
Also listed as: AT118504C112 · AT1185 04C112
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Product Description
The HELI-COIL Helical Insert (Tangless Tang Style) is a free-running, inch-system insert with #4-40 thread size and coarse, right-hand threads. Made from 18-8 material with a tensile strength of 200,000 to 250,000 psi, it is compatible with metal and supplied in a 100-piece pack (MPN AT1185-04C112).
Frequently Asked Questions
What is a HELI-COIL Tangless Helical Insert used for?
A HELI-COIL Tangless Helical Insert repairs or reinforces threads in metal components. It provides a durable, free-running internal thread for #4-40 fasteners, commonly used in automotive, aerospace, and industrial assemblies where stripped or worn threads need restoration.
What are the specifications of the HELI-COIL AT1185-04C112 insert?
This HELI-COIL insert is a free-running, tangless style with #4-40 coarse, right-hand threads. It is made from 18-8 material with a tensile strength of 200,000 to 250,000 psi. The STI tap size is #4-40, and it comes in a 100-piece pack (MPN AT1185-04C112).
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine HELI-COIL products, including the AT1185-04C112, to your facility. Contact us for a quote and delivery options.
How to install a tangless helical insert?
To install a tangless helical insert, drill and tap the hole to the specified STI tap size (#4-40). Use a tangless installation tool to wind the insert into the tapped hole until it sits slightly below the surface. No tang removal is needed, simplifying the process.
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Common applications for HELI-COILHELI-COIL Products
3G Electric supplies HELI-COIL free-running tangless helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.