HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M12-1.25 Thread Size, Plain
The HELI-COIL Helical Insert (MPN R4649-12) is a tanged tang style, free-running insert with M12-1.25 fine, right-hand threads. Made from 18-8 metal, it offers a tensile strength of 200,000 to 250,000 psi and comes…
SKU 3G-OTH-599200
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Product Description
The HELI-COIL Helical Insert (MPN R4649-12) is a tanged tang style, free-running insert with M12-1.25 fine, right-hand threads. Made from 18-8 metal, it offers a tensile strength of 200,000 to 250,000 psi and comes in a 6-pack with a plain finish.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces threads in metal. It provides strong, wear-resistant internal threads for applications like automotive, aerospace, and industrial machinery. This M12-1.25 free-running tanged insert restores damaged threads or upgrades soft materials to withstand higher loads.
What are the specifications of the HELI-COIL R4649-12 insert?
The HELI-COIL R4649-12 is a free-running tanged helical insert with M12-1.25 fine, right-hand threads. Made from 18-8 metal, it has a tensile strength of 200,000 to 250,000 psi. It comes in a 6-pack with a plain finish and is designed for metric applications.
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies HELI-COIL helical inserts like the R4649-12 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this M12-1.25 free-running tanged insert.
How to install a HELI-COIL tanged helical insert?
To install a HELI-COIL tanged insert, drill the hole to the specified tap drill size, tap threads with the correct HELI-COIL tap, then use a tang break-off tool to insert the coil. After installation, remove the tang with a punch. Follow standard thread repair practices for best results.
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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.
