HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M8-1.00 Thread Size, Plain
The HELI-COIL Helical Insert (MPN R4255-8) is a tanged tang style, free-running helical insert with an M8-1.00 fine, right-hand thread. Made from 18-8 metal, it offers a tensile strength of 200,000 to 250,000 psi and…
SKU 3G-OTH-599034
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Product Description
The HELI-COIL Helical Insert (MPN R4255-8) is a tanged tang style, free-running helical insert with an M8-1.00 fine, right-hand thread. Made from 18-8 metal, it offers a tensile strength of 200,000 to 250,000 psi and comes in a 12-pack with a plain finish.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces tapped threads in metal. It provides a durable, free-running internal thread for fasteners, commonly used in automotive, aerospace, and industrial maintenance to restore stripped threads or strengthen soft materials.
What are the specifications of the HELI-COIL R4255-8 insert?
The HELI-COIL R4255-8 is a tanged tang style, free-running helical insert with M8-1.00 fine, right-hand threads. It is made from 18-8 metal with a tensile strength of 200,000 to 250,000 psi, plain finish, and comes in a 12-pack.
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 the R4255-8 and other thread repair inserts to your facility, regardless of location.
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, break off the tang with a punch for a clean, permanent thread.
Used in
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.
