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HELI-COIL Free-Running Tanged Helical Insert, 9/16"-18, 6 PK - Free-Running Tanged Helical Inserts
HELI-COILFree-Running Tanged Helical Inserts

HELI-COIL Free-Running Tanged Helical Insert, 9/16"-18, 6 PK

The HELI-COIL Helical Insert is a free-running tanged tang style insert with a 9/16"-18 thread size, right-hand orientation, and fine thread pitch. Made from 18-8 metal, it offers a tensile strength range of 200,000…

SKU 3G-OTH-598957

Also listed as: R11919 · R1191 9

Brand
HELI-COIL
Item
Free-Running Tanged Helical Insert, 9/16"-18, 6 PK
Part Number
R1191-9
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
R1191-9
Type
Free-Running, Plain, Plain, 6 PK
Thread Size
9/16"-18

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 a 9/16"-18 thread size, right-hand orientation, and fine thread pitch. Made from 18-8 metal, it offers a tensile strength range of 200,000 to 250,000 psi and comes in a 6-pack with plain finish. 3G Electric interprets customer demand and delivers this genuine industrial insert across 14 departments — with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is a HELI-COIL helical insert used for?

A HELI-COIL helical insert repairs or reinforces threaded holes in metal, providing a durable 18-8 stainless steel thread. It is commonly used in automotive, aerospace, and industrial maintenance to restore stripped threads. 3G Electric supplies this genuine HELI-COIL insert across 14 industrial departments, with specialist depth in combustion, pumps and controls.

What are the specifications of the HELI-COIL R1191-1 insert?

The HELI-COIL R1191-1 is a free-running tanged tang style insert with a 9/16\"-18 thread size, fine pitch, and right-hand orientation. 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 6-pack. 3G Electric sources this genuine HELI-COIL part for global delivery.

Where to buy HELI-COIL helical inserts worldwide?

3G Electric supplies genuine HELI-COIL helical inserts worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we interpret your demand and deliver the correct insert for your application. Contact us to order the R1191-1 or other HELI-COIL thread repair inserts for delivery anywhere.

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 the installation tool to wind the insert into the hole. Break off the tang after installation. 3G Electric provides genuine HELI-COIL inserts and can advise on proper installation practices.

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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