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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 is a free-running, tanged tang style insert with an M4-0.70 thread size, right-hand, coarse metric thread, made from 18-8 stainless steel with a tensile strength of 200,000 to 250,000…

SKU 3G-OTH-599003

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
A1084-4CN040
Type
Free-Running, M4-0.70 Thread Size, Plain, Plain, 100 PK
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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 an M4-0.70 thread size, right-hand, coarse metric thread, made from 18-8 stainless steel with a tensile strength of 200,000 to 250,000 psi. Supplied in a 100-piece pack, this plain finish insert has a 4.2mm drill size and is designed for metal applications.

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. It creates a strong, free-running internal thread for M4-0.70 fasteners, restoring stripped holes or adding wear resistance in automotive, aerospace, and industrial assemblies.

What are the specifications of the HELI-COIL M4-0.70 insert?

This HELI-COIL insert is free-running, tanged tang style, M4-0.70 thread size, right-hand, coarse metric. Made from 18-8 stainless steel with 200,000 to 250,000 psi tensile strength. Requires a 4.2mm drill size. Supplied in a 100-piece pack with plain finish.

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, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the M4-0.70 tanged tang insert (MPN A1084-4CN040).

How to install a HELI-COIL tanged tang insert?

Drill a 4.2mm hole, tap it with the correct HELI-COIL tap, then wind the insert onto the installation tool until the tang engages. Insert into the tapped hole, break off the tang with a punch. Use threadlocker for vibration-prone applications.

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, M6-1.00 Thread Size, Plain, Plain, 100 PK (MPN A1084-6EN120). Key specifications — attr798694: Nitronic 60; attr798710: Right Hand; attr798707: M6-1.00; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 6.25mm; attr798708: 200,000 psi.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #10-32 Thread Size, Plain, 1,000 PK (MPN 1191-3CN190S). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #10-32; 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, #10-32 Thread Size, Plain, 1,000 PK (MPN 1191-3CN190S). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #10-32; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Fine.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #10-32 Thread Size, 100 PK (MPN A1191-3CNW380). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #10-32; 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, #10-32 Thread Size, 100 PK (MPN A1191-3CNW380). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #10-32; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Fine.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #10-24 Thread Size, Plain, Plain, 100 PK (MPN A1185-3CN190). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #10-24; 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, #10-24 Thread Size, Plain, Plain, 100 PK (MPN A1185-3CN190). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #10-24; 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, #8-32 Thread Size, 100 PK (MPN A1185-2CNW164). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #8-32; 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, #8-32 Thread Size, 100 PK (MPN A1185-2CNW164). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #8-32; 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, 1"-12 Thread Size, 1 1/2 in Overall Lg (MPN K1191-161). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 1"-12; 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, 1"-12 Thread Size, 1 1/2 in Overall Lg (MPN K1191-161). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 1"-12; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Fine.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #8-32 Thread Size, 1,000 PK (MPN 1185-2CNW164S). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #8-32; 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, #8-32 Thread Size, 1,000 PK (MPN 1185-2CNW164S). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #8-32; 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, #8-32 Thread Size, Plain, Plain, 100 PK (MPN A1185-2CN164). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #8-32; 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, #8-32 Thread Size, Plain, Plain, 100 PK (MPN A1185-2CN164). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #8-32; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Coarse.