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HELI-COIL Thread Repair Kit: Tanged Tang Style, #5-40, Stainless Steel - Insert & Tool Kits
HELI-COILInsert & Tool Kits

HELI-COIL Thread Repair Kit: Tanged Tang Style, #5-40, Stainless Steel

The HELI-COIL Thread Repair Kit (MPN 5401-05) is a tanged tang style kit for free-running, #5-40 coarse thread repairs in metal. It includes helical inserts made from 18-8 stainless steel with a right-hand thread…

SKU 3G-OTH-527853

Also listed as: 540105 · 5401 05

Brand
HELI-COIL
Item
Thread Repair Kit: Tanged Tang Style, #5-40, Stainless Steel
Part Number
5401-05
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
5401-05
Type
Free-Running, #5-40 Thread Size, Stainless Steel
Finish Type
Plain
Thread Type
Coarse
STI Tap Size
#5-40
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

The HELI-COIL Thread Repair Kit (MPN 5401-05) is a tanged tang style kit for free-running, #5-40 coarse thread repairs in metal. It includes helical inserts made from 18-8 stainless steel with a right-hand thread direction and an STI tap size of #5-40, using inch measurements.

Frequently Asked Questions

What is a HELI-COIL Thread Repair Kit used for?

A HELI-COIL Thread Repair Kit restores damaged internal threads in metal components. It uses 18-8 stainless steel helical inserts to create strong, free-running #5-40 coarse threads, ideal for automotive, industrial, and maintenance repairs where original threads are stripped or worn.

What are the specifications of the HELI-COIL 5401-05 kit?

The HELI-COIL 5401-05 kit is a tanged tang style, free-running thread repair set for #5-40 coarse threads. It includes helical inserts made from 18-8 stainless steel, right-hand thread direction, an STI tap size of #5-40, and is compatible with metal substrates using inch measurements.

Where to buy HELI-COIL thread repair kits worldwide?

3G Electric supplies HELI-COIL thread repair kits like the 5401-05 to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine industrial parts for your repair needs, regardless of your location.

How to install a HELI-COIL thread insert?

To install a HELI-COIL insert, drill out the damaged thread to the specified size, tap the hole using the included STI tap, then insert the helical coil using the tang-style tool. Break off the tang after installation. Always follow the manufacturer's instructions for proper thread engagement and torque.

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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