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HELI-COIL Free-Running Tanged Helical Insert, 1/2"-13, 6 PK - Free-Running Tanged Helical Inserts
HELI-COILFree-Running Tanged Helical Inserts

HELI-COIL Free-Running Tanged Helical Insert, 1/2"-13, 6 PK

The HELI-COIL Helical Insert (MPN R1185-8) is a tanged tang style, free-running helical insert with a 1/2"-13 thread size, right-hand, coarse thread, and plain finish. Made from 18-8 metal, it offers a tensile…

SKU 3G-OTH-598949

Also listed as: R11858 · R1185 8

Brand
HELI-COIL
Item
Free-Running Tanged Helical Insert, 1/2"-13, 6 PK
Part Number
R1185-8
Category
Free-Running Tanged Helical Inserts
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Technical Specifications

HELI-COIL
Manufacturer Part Number
R1185-8
Type
Free-Running, Plain, Plain, 6 PK
Thread Size
1/2"-13

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

Product Description

The HELI-COIL Helical Insert (MPN R1185-8) is a tanged tang style, free-running helical insert with a 1/2"-13 thread size, right-hand, coarse thread, and plain finish. Made from 18-8 metal, it offers a tensile strength of 200,000 to 250,000 psi and comes in a 6-pack. 3G Electric interprets your demand for threaded repair or reinforcement solutions, sourcing this OEM insert across 14 industrial departments—with specialist depth in fastening and assembly components.

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 restores damaged internal threads or strengthens threads in softer materials. This free-running tanged style is for 1/2"-13 coarse threads, made from 18-8 stainless steel with 200,000 to 250,000 psi tensile strength.

What are the specifications of the HELI-COIL R1185-8?

The HELI-COIL R1185-8 is a tanged tang style, free-running helical insert. Thread size is 1/2"-13, right-hand, coarse. Material is 18-8 metal with plain finish. Tensile strength is 200,000 to 250,000 psi. It comes in a 6-pack. 3G Electric sources this OEM insert for industrial thread repair.

Where to buy HELI-COIL helical inserts worldwide?

3G Electric supplies HELI-COIL helical inserts worldwide. We interpret your demand for threaded repair components, source the correct OEM insert, and handle logistics, customs, and delivery to your location. Contact us for availability and lead time on the R1185-8 6-pack.

How to install a tanged helical insert?

To install a tanged helical 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 installation tool to wind the insert into the hole. After installation, break off the tang with a punch. 3G Electric can advise on tooling.

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
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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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