HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1/4"-18 Thread Size, Plain
The HELI-COIL Helical Insert (MPN R327-4) is a tanged tang-style, free-running helical insert with a 1/4"-18 thread size, right-hand orientation, and ANPT thread form. Made from 18-8 stainless steel, it offers a…
SKU 3G-OTH-598905
Also listed as: R3274 · R327 4
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The HELI-COIL Helical Insert (MPN R327-4) is a tanged tang-style, free-running helical insert with a 1/4"-18 thread size, right-hand orientation, and ANPT thread form. Made from 18-8 stainless steel, it offers a tensile strength range of 200,000 to 250,000 psi and comes in a 12-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 components. It provides a durable, free-running internal thread for fasteners, commonly used in automotive, aerospace, and industrial maintenance applications where stripped or worn threads need restoration.
What are the specifications of the HELI-COIL R327-4 insert?
The HELI-COIL R327-4 is a tanged tang-style, free-running helical insert with a 1/4"-18 thread size, right-hand orientation, and ANPT thread form. It is made from 18-8 stainless steel 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 genuine HELI-COIL products to your facility. Contact us for pricing and lead time on the R327-4 12-pack.
How to install a HELI-COIL tanged helical insert?
To install a HELI-COIL tanged insert, drill out the damaged thread to the specified tap drill size, tap the hole 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, free-running 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.
