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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 (MPN R1084-8) is a free-running, tanged tang style insert with an M8-1.25 coarse, right-hand thread. Made of 18-8 metal, it offers a tensile strength range of 200,000 to 250,000 psi and…

SKU 3G-OTH-599040

Also listed as: R10848 · R1084 8

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
R1084-8
Type
Free-Running, M8-1.25 Thread Size, Plain, Plain, 12 PK

Technical Documents

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

Product Description

The HELI-COIL Helical Insert (MPN R1084-8) is a free-running, tanged tang style insert with an M8-1.25 coarse, right-hand thread. Made of 18-8 metal, 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 tapped threads in metal. It provides a durable, free-running internal thread for M8-1.25 coarse fasteners, restoring strength in aluminum, cast iron, or steel components. 3G Electric supplies this insert for industrial maintenance and production applications worldwide.

What are the specifications of the HELI-COIL R1084-8 insert?

The HELI-COIL R1084-8 is a free-running, tanged tang style insert with M8-1.25 coarse, right-hand thread. It is made of 18-8 metal with a tensile strength of 200,000 to 250,000 psi, plain finish, and comes in a 12-pack. 3G Electric sources this genuine HELI-COIL part for global delivery.

Where to buy HELI-COIL helical inserts in worldwide?

3G Electric supplies HELI-COIL helical inserts worldwide. We handle full logistics and customs clearance to deliver the R1084-8 12-pack to your facility. Contact us for availability and lead time on this M8-1.25 free-running insert.

How to install a HELI-COIL tanged helical insert?

Install a HELI-COIL tanged insert by drilling out the damaged thread to the specified tap drill size, tapping with the correct HELI-COIL tap, then winding the insert onto the installation tool until it is below the surface. Break off the tang with a punch. 3G Electric provides sourcing support for this repair process.

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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