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HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, M4-0.70 Thread Size, Plain - Screw-Locking Tanged Helical Inserts
HELI-COILScrew-Locking Tanged Helical Inserts

HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, M4-0.70 Thread Size, Plain

The HELI-COIL Helical Insert is a tanged tang style, screw-locking insert with M4-0.70 thread size, plain finish, and 18-8 material grade. It has a tensile strength of 200,000 to 250,000 psi, requires a 4.2mm drill…

SKU 3G-OTH-528990

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

HELI-COIL
Manufacturer Part Number
4184-4CN060S
Type
Screw-Locking, M4-0.70 Thread Size, Plain, 1,000 PK
Tensile Strength
200,000 to 250,000 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
18-8
System of Measurement
Metric
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HELI-COIL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HELI-COIL Helical Insert is a tanged tang style, screw-locking insert with M4-0.70 thread size, plain finish, and 18-8 material grade. It has a tensile strength of 200,000 to 250,000 psi, requires a 4.2mm drill bit and M4-0.70 STI tap, and is supplied in a 1,000-piece pack (MPN 4184-4CN060S).

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 tang style M4-0.70 insert prevents loosening under vibration. It is ideal for automotive, aerospace, and industrial maintenance applications where stripped threads need a durable, high-strength repair.

What are the specifications of the HELI-COIL 4184-4CN060S insert?

This HELI-COIL insert has an M4-0.70 thread size, 18-8 material grade, and plain finish. It requires a 4.2mm drill bit and M4-0.70 STI tap. Tensile strength is 200,000 to 250,000 psi. It is right-hand threaded, compatible with metal, and supplied in a 1,000-piece pack.

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. As a sourcing partner, we provide genuine HELI-COIL products like the 4184-4CN060S M4-0.70 screw-locking insert to industrial customers across multiple sectors.

How to install a HELI-COIL tanged tang insert?

To install a HELI-COIL tanged tang insert, drill a hole to 4.2mm, tap it with an M4-0.70 STI tap, then use a tang installation tool to wind the insert into the thread. After installation, break off the tang with a punch. 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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HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, #6-32 Thread Size, Plain, Plain, 100 PK (MPN A3585-06EN138). Key specifications — Material Grade/Class: Nitronic 60; Thread Direction: Right Hand; STI Tap Size: #6-32; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 psi; Thread Type: Coarse.
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HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, M6-1.00 Thread Size, 100 PK (MPN A4184-6CNW060). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: M6-1.00; Compatible Material: Metal; System of Measurement: Metric; Brand: HELI-COIL; Drill Bit Size: 6.25mm; Tensile Strength: 200,000 to 250,000 psi.
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HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, M6-1.00 Thread Size, 100 PK (MPN A4184-6CNW060). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: M6-1.00; Compatible Material: Metal; System of Measurement: Metric; Brand: HELI-COIL; Drill Bit Size: 6.25mm; Tensile Strength: 200,000 to 250,000 psi.
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