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HELI-COIL Screw-Locking Tanged Helical Insert, M4-0.70, Plain, 100 PK - Screw-Locking Tanged Helical Inserts
HELI-COILScrew-Locking Tanged Helical Inserts

HELI-COIL Screw-Locking Tanged Helical Insert, M4-0.70, Plain, 100 PK

HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, M4-0.70 Thread Size, Plain, 100 PK (MPN A4184-4EN080). This metric right-hand threaded insert is made from Nitronic 60 material with a tensile strength of…

SKU 3G-OTH-528845

Also listed as: A41844EN080 · A4184 4EN080

Brand
HELI-COIL
Item
Screw-Locking Tanged Helical Insert, M4-0.70, Plain, 100 PK
Category
Screw-Locking Tanged Helical Inserts
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

HELI-COIL
Manufacturer Part Number
A4184-4EN080
Type
Screw-Locking, M4-0.70 Thread Size, Plain, 100 PK
Tensile Strength
200,000 psi
Finish Type
Plain
Thread Type
Coarse
STI Tap Size
M4-0.70
Drill Bit Size
4.2mm
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
Nitronic 60
System of Measurement
Metric

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

Product Description

HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, M4-0.70 Thread Size, Plain, 100 PK (MPN A4184-4EN080). This metric right-hand threaded insert is made from Nitronic 60 material with a tensile strength of 200,000 psi, compatible with metal substrates. It requires an STI tap size of M4-0.70 and a 4.2mm drill bit for installation.

Frequently Asked Questions

What is a HELI-COIL helical insert used for?

A HELI-COIL helical insert repairs or reinforces threads in metal. This screw-locking tanged style prevents loosening under vibration. It is ideal for automotive, aerospace, and industrial maintenance where M4-0.70 threads need restoration or strengthening.

What are the specifications of the HELI-COIL A4184-4EN080 insert?

This HELI-COIL insert has an M4-0.70 thread size, right-hand direction, and is made from Nitronic 60 with 200,000 psi tensile strength. It requires an STI tap size M4-0.70 and a 4.2mm drill bit. The pack contains 100 pieces in plain finish.

Where to buy HELI-COIL helical inserts worldwide?

3G Electric supplies HELI-COIL helical inserts worldwide. We handle full logistics and customs clearance for global delivery. Contact us to order the A4184-4EN080 screw-locking tanged insert in M4-0.70 thread size, 100-pack.

How to install a HELI-COIL screw-locking insert?

Drill a 4.2mm hole, tap it with an M4-0.70 STI tap, then use a tang installation tool to insert the HELI-COIL. The screw-locking feature grips the bolt. After installation, break off the tang. Always follow the manufacturer's instructions for best results.

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 screw-locking 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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