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HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, M6-1.00 Thread Size, Plain - Screw-Locking Tanged Helical Inserts
HELI-COILScrew-Locking Tanged Helical Inserts

HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, M6-1.00 Thread Size, Plain

The HELI-COIL Helical Insert is a tanged tang style, screw-locking insert with M6-1.00 thread size, plain finish, and 18-8 material grade. It requires an STI tap size of M6-1.00 and a 6.25mm drill bit, with a tensile…

SKU 3G-OTH-528945

Also listed as: 41846CN120S · 4184 6CN120S

Brand
HELI-COIL
Item
Helical Insert: Tanged Tang Style, Screw-Locking, M6-1.00 Thread Size, Plain
Category
Screw-Locking Tanged Helical Inserts
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

HELI-COIL
Manufacturer Part Number
4184-6CN120S
Type
Screw-Locking, M6-1.00 Thread Size, Plain, 500 PK
Tensile Strength
200,000 to 250,000 psi
Finish Type
Plain
Thread Type
Coarse
STI Tap Size
M6-1.00
Drill Bit Size
6.25mm
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
18-8
System of Measurement
Metric

Technical Documents

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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 M6-1.00 thread size, plain finish, and 18-8 material grade. It requires an STI tap size of M6-1.00 and a 6.25mm drill bit, with a tensile strength of 200,000 to 250,000 psi. Supplied in a 500-piece pack, this right-hand, coarse-thread insert is compatible with metal substrates.

Frequently Asked Questions

What is a HELI-COIL helical insert used for?

A HELI-COIL helical insert repairs or reinforces threads in metal substrates. This screw-locking, tanged tang style insert with M6-1.00 thread size provides strong, wear-resistant threads in applications like automotive, aerospace, and industrial machinery, preventing thread stripping and extending component life.

What are the specifications of the HELI-COIL 4184-6CN120S insert?

This HELI-COIL insert has an M6-1.00 thread size, 18-8 material grade, plain finish, and right-hand coarse thread. It requires an STI tap size of M6-1.00 and a 6.25 mm drill bit. Tensile strength ranges from 200,000 to 250,000 psi. Supplied in a 500-piece pack.

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 4184-6CN120S M6-1.00 screw-locking insert in a 500-piece pack.

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

To install a HELI-COIL screw-locking insert, drill a 6.25 mm hole, tap it with an M6-1.00 STI tap, then use a tang-style installation tool to wind the insert into the tapped hole. After installation, break off the tang. Ensure the substrate is metal and threads are clean for proper locking.

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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