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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M4-0.70 Thread Size, Plain - Free-Running Tanged Helical Inserts
HELI-COILFree-Running Tanged Helical Inserts

HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M4-0.70 Thread Size, Plain

The HELI-COIL Helical Insert (MPN R1084-4) is a free-running, tanged tang style insert with an M4-0.70 metric coarse thread, right-hand orientation, and a tensile strength of 200,000 to 250,000 psi. Made from 18-8…

SKU 3G-OTH-599004

Brand
HELI-COIL
Item
Helical Insert: Tanged Tang Style, Free-Running, M4-0.70 Thread Size, Plain
Category
Free-Running Tanged Helical Inserts
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Technical Specifications

HELI-COIL
Manufacturer Part Number
R1084-4
Type
Free-Running, M4-0.70 Thread Size, Plain, Plain, 12 PK
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HELI-COIL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HELI-COIL Helical Insert (MPN R1084-4) is a free-running, tanged tang style insert with an M4-0.70 metric coarse thread, right-hand orientation, and a tensile strength of 200,000 to 250,000 psi. Made from 18-8 stainless steel, this plain finish insert comes in a 12-pack and is designed to repair or reinforce threads in metal substrates.

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 damaged internal threads in metal substrates. This M4-0.70 free-running tanged insert restores thread strength in aluminum, cast iron, or steel components, preventing costly part replacement. 3G Electric supplies these inserts for industrial maintenance and production applications worldwide.

What are the specifications of the HELI-COIL R1084-4 insert?

The HELI-COIL R1084-4 is a free-running tanged helical insert with M4-0.70 metric coarse thread, right-hand orientation, and 18-8 stainless steel construction. It offers 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 worldwide?

3G Electric supplies genuine HELI-COIL helical inserts, including the R1084-4 M4-0.70 12-pack, to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance for international orders. Contact us for pricing and lead time on this and other thread repair inserts.

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 and driving it into the tapped hole. Break off the tang after installation. 3G Electric supplies the inserts and 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

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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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 5/16"-24 Thread Size, Plain, 100 PK (MPN A1191-5CN625). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 5/16"-24; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Fine.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M3-0.50 Thread Size, Plain, Plain, 100 PK (MPN A1084-3EN090). Key specifications — attr798694: Nitronic 60; attr798710: Right Hand; attr798707: M3-0.50; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 3.15mm; attr798708: 200,000 psi.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M3-0.50 Thread Size, Plain, Plain, 100 PK (MPN A1084-3EN090). Key specifications — attr798694: Nitronic 60; attr798710: Right Hand; attr798707: M3-0.50; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 3.15mm; attr798708: 200,000 psi.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M10-1.25 Thread Size, Plain, Plain, 12 PK (MPN R4649-10). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M10-1.25; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Fine.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M10-1.25 Thread Size, Plain, Plain, 12 PK (MPN R4649-10). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M10-1.25; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Fine.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #6-32 Thread Size, Plain, Plain, 100 PK (MPN A1185-06CN138). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #6-32; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Coarse.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #6-32 Thread Size, Plain, Plain, 100 PK (MPN A1185-06CN138). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #6-32; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Coarse.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M6-1.00 Thread Size, Plain, Plain, 12 PK (MPN R1084-6). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M6-1.00; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Coarse.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M6-1.00 Thread Size, Plain, Plain, 12 PK (MPN R1084-6). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M6-1.00; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Coarse.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 3/4"-14 Thread Size, Plain, Plain, 5 PK (MPN K327-12). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 3/4"-14; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: ANPT.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M5-0.80 Thread Size, 100 PK (MPN A1084-5CNW075). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M5-0.80; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 5.2mm; attr798708: 200,000 to 250,000 psi.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M5-0.80 Thread Size, 100 PK (MPN A1084-5CNW075). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M5-0.80; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 5.2mm; attr798708: 200,000 to 250,000 psi.
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