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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M8-1.25 Thread Size, Plain - Free-Running Tanged Helical Inserts
HELI-COILFree-Running Tanged Helical Inserts

HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M8-1.25 Thread Size, Plain

The HELI-COIL Helical Insert is a free-running, tanged tang style insert with M8-1.25 thread size, right-hand orientation, and coarse pitch. Made from Nitronic 60 metal, it has a length of 8.3mm and a tensile…

SKU 3G-OTH-599045

Also listed as: A10848EN240 · A1084 8EN240

Brand
HELI-COIL
Item
Helical Insert: Tanged Tang Style, Free-Running, M8-1.25 Thread Size, Plain
Category
Free-Running Tanged Helical Inserts
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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

Technical Specifications

HELI-COIL
Manufacturer Part Number
A1084-8EN240
Type
Free-Running, M8-1.25 Thread Size, Plain, Plain, 100 PK

Technical Documents

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HELI-COIL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HELI-COIL Helical Insert is a free-running, tanged tang style insert with M8-1.25 thread size, right-hand orientation, and coarse pitch. Made from Nitronic 60 metal, it has a length of 8.3mm and a tensile strength of 200,000 psi, supplied in a 100-piece pack (MPN A1084-8EN240).

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 M8-1.25 fasteners, commonly used in automotive, aerospace, and industrial machinery to restore stripped threads or strengthen soft materials.

What are the specifications of the HELI-COIL A1084-8EN240 insert?

This HELI-COIL insert has M8-1.25 thread size, right-hand orientation, coarse pitch, and 8.3mm length. It is made from Nitronic 60 metal with 200,000 psi tensile strength. Supplied in a 100-piece pack, it is plain finish and tanged tang style for free-running installation.

Where to buy HELI-COIL helical inserts in 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 parts like the A1084-8EN240 to your facility. Contact us for pricing and lead time on this M8-1.25 insert.

How to install a tanged HELI-COIL insert?

To install a tanged HELI-COIL insert, drill to specified tap drill size, tap threads with a HELI-COIL tap, then use a tang break-off tool to insert the coil. After installation, break off the tang with a punch. Ensure threads are clean and lubricated for proper seating.

Used in

Common applications for HELI-COIL
Aerospace engine repair — HELI-COIL STI taps for M12x1.75 metric threads in aluminum alloy components
Automotive transmission rebuild — HELI-COIL STI taps for 7/16-14 UNC threads in cast iron housings
Industrial pump maintenance — HELI-COIL STI taps for #10-32 UNF threads in stainless steel pump bodies
Hydraulic cylinder repair — HELI-COIL STI taps for M6x1 metric threads in steel cylinder heads
General manufacturing — HELI-COIL STI taps for 9/16-18 UNF threads in machinery base plates

HELI-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.

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