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HELI-COIL Thread Repair Kit: Tanged Tang Style - Insert & Tool Kits
HELI-COILInsert & Tool Kits

HELI-COIL Thread Repair Kit: Tanged Tang Style

<p>The HELI-COIL Thread Repair Kit (Tanged Tang Style) is a reliable solution for restoring damaged threads in metal components. This kit is designed for #4-40 thread size, featuring free-running helical inserts made…

SKU 3G-OTH-527852

Also listed as: 540104 · 5401 04

Brand
HELI-COIL
Item
Thread Repair Kit: Tanged Tang Style
Part Number
5401-04
Category
Insert & Tool Kits
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

HELI-COIL
Manufacturer Part Number
5401-04
Type
Free-Running, #4-40 Thread Size, Stainless Steel
Finish Type
Plain
Thread Type
Coarse
STI Tap Size
#4-40
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
18-8
Insert Types Included
Helical Inserts
System of Measurement
Inch

Technical Documents

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

Product Description

<p>The HELI-COIL Thread Repair Kit (Tanged Tang Style) is a reliable solution for restoring damaged threads in metal components. This kit is designed for #4-40 thread size, featuring free-running helical inserts made from 18-8 stainless steel for corrosion resistance and durability. The kit includes the necessary inserts and tools for a straightforward repair process, suitable for right-hand, coarse thread applications.</p><p>Ideal for maintenance and repair professionals in aerospace, automotive, and general manufacturing, this kit ensures quick and effective thread restoration. As a Singapore-based supplier, 3G Electric offers this product with worldwide shipping, SGD quotes on request, and GST handled for local buyers. Enjoy fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What thread size and type does this HELI-COIL kit support?

This kit is for #4-40 thread size, which is a coarse, right-hand thread. It includes free-running helical inserts made from 18-8 stainless steel.

Can I get a quote in SGD and what about delivery in Singapore?

Yes, 3G Electric provides SGD quotes on request. For Singapore buyers, GST is handled, and we offer fast delivery across Singapore and Southeast Asia.

Used in

Common applications for HELI-COIL
Aerospace — Tangless screw-locking HELI-COIL inserts in 18-8 stainless steel for vibration-resistant threaded joints in airframe and engine components.
Automotive — Free-running tanged HELI-COIL inserts in metric sizes for repairing stripped threads in aluminum engine blocks and transmission housings.
Industrial machinery — STI taps and prewinder installation tools for on-site repair of threaded holes in cast iron and steel machine frames.
Oil and gas — Nitronic 60 HELI-COIL inserts for galling resistance in stainless steel valve bodies and pump housings exposed to corrosive media.
MRO and maintenance — HELI-COIL thread repair kits containing inserts, drill, tap, and installation tool for restoring damaged threads without replacing the parent component.
Electrical equipment — Screw-locking tangless HELI-COIL inserts for securing fasteners in metal enclosures and control panels subject to vibration.
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HELI-COIL Products

3G Electric supplies HELI-COIL insert & tool kits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This kit includes 18-8 stainless steel helical inserts and a 1/4"-28 STI tap for creating free-running, fine right-hand threads in metal components. The tanged tang style inserts are used to repair stripped or worn internal threads. Suitable for general metal repair applications where inch-system threads are required
HELI-COIL
This kit includes 18-8 stainless steel helical inserts and a 1/4"-28 STI tap for creating free-running, fine right-hand threads in metal components. The tanged tang style inserts are used to repair stripped or worn internal threads. Suitable for general metal repair applications where inch-system threads are required
This kit includes 18-8 stainless steel helical inserts for restoring damaged #10-32 fine threads in metal components. The free-running inserts are right-hand threaded and require an STI tap of the same size. Suitable for general thread repair applications in metal substrates
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This kit includes 18-8 stainless steel helical inserts for restoring damaged #10-32 fine threads in metal components. The free-running inserts are right-hand threaded and require an STI tap of the same size. Suitable for general thread repair applications in metal substrates
This kit includes helical inserts made from 18-8 stainless steel with a plain finish, designed for repairing damaged M18-2.50 coarse threads in metal components. The inserts have a 27 mm overall length and right-hand thread direction. Suitable for industrial maintenance and repair applications where thread restoration is required
HELI-COIL
This kit includes helical inserts made from 18-8 stainless steel with a plain finish, designed for repairing damaged M18-2.50 coarse threads in metal components. The inserts have a 27 mm overall length and right-hand thread direction. Suitable for industrial maintenance and repair applications where thread restoration is required

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