We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1/2"-20 Thread Size, Plain - Free-Running Tanged Helical Inserts
HELI-COILFree-Running Tanged Helical Inserts

HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1/2"-20 Thread Size, Plain

The HELI-COIL Helical Insert (MPN R1191-8) is a tanged tang-style, free-running insert with a 1/2"-20 fine thread, right-hand orientation, and plain finish. Made from 18-8 stainless steel, it offers a tensile…

SKU 3G-OTH-598954

Also listed as: R11918 · R1191 8

Brand
HELI-COIL
Item
Helical Insert: Tanged Tang Style, Free-Running, 1/2"-20 Thread Size, Plain
Category
Free-Running Tanged Helical Inserts
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

HELI-COIL
Manufacturer Part Number
R1191-8
Type
Free-Running, Plain, Plain, 6 PK
Thread Size
1/2"-20

Technical Documents

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

Product Description

The HELI-COIL Helical Insert (MPN R1191-8) is a tanged tang-style, free-running insert with a 1/2"-20 fine thread, right-hand orientation, and plain finish. Made from 18-8 stainless steel, it offers a tensile strength of 200,000 to 250,000 psi and comes in a 6-pack. 3G Electric sources this genuine OEM insert across 14 industrial departments, with specialist expertise in fastening and assembly solutions.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a HELI-COIL helical insert used for?

A HELI-COIL helical insert repairs or reinforces threads in metal. This free-running tanged tang-style insert (1/2"-20 fine thread) restores stripped threads or strengthens soft materials, providing a durable 18-8 stainless steel thread with 200,000 to 250,000 psi tensile strength.

What are the specifications of the HELI-COIL R1191-8 insert?

The HELI-COIL R1191-8 is a free-running tanged tang-style insert with 1/2"-20 fine thread, right-hand orientation, plain finish, and 18-8 stainless steel construction. It delivers 200,000 to 250,000 psi tensile strength and comes in a 6-pack. 3G Electric supplies this genuine OEM part.

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 OEM parts like the R1191-8 to any location. Contact us for availability and lead time on your order.

How to install a HELI-COIL tanged tang-style insert?

To install a HELI-COIL tanged tang-style insert, drill out the damaged thread to the specified tap drill size, tap the hole with the correct HELI-COIL tap, then wind the insert into the hole using a tang installation tool. After installation, break off the tang with a punch.

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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