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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

The HELI-COIL Thread Repair Kit (MPN 5403-5) is a tanged tang style kit for free-running M5-0.80 coarse thread repairs in metal. It includes 18-8 stainless steel helical inserts and a right-hand thread STI tap…

SKU 3G-OTH-528008

Also listed as: 54035 · 5403 5

Brand
HELI-COIL
Item
Thread Repair Kit: Tanged Tang Style
Category
Insert & Tool Kits
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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
5403-5
Type
Free-Running, M5-0.80 Thread Size, Stainless Steel
Finish Type
Plain
Thread Type
Coarse
STI Tap Size
M5-0.80
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
18-8
Insert Types Included
Helical Inserts
System of Measurement
Metric

Technical Documents

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

Product Description

The HELI-COIL Thread Repair Kit (MPN 5403-5) is a tanged tang style kit for free-running M5-0.80 coarse thread repairs in metal. It includes 18-8 stainless steel helical inserts and a right-hand thread STI tap, supplied in metric sizing.

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 a new, durable M5-0.80 coarse thread. This kit is commonly used in automotive, aerospace, and industrial maintenance to repair stripped or worn threads without replacing the entire part.

What are the specifications of the HELI-COIL 5403-5 thread repair kit?

The HELI-COIL 5403-5 kit is a tanged tang style, free-running design for M5-0.80 coarse threads. It includes 18-8 stainless steel helical inserts, a right-hand STI tap sized M5-0.80, and is compatible with metal substrates. The system of measurement is metric, and the thread direction is right hand.

Where to buy a HELI-COIL thread repair kit worldwide?

3G Electric supplies the HELI-COIL 5403-5 thread repair kit to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this M5-0.80 kit for your metal thread repair needs.

How to install a HELI-COIL thread insert?

To install a HELI-COIL insert, drill out the damaged thread to the specified size, then tap the hole using the included M5-0.80 STI tap. Insert the helical coil using the tang-style installation tool, then break off the tang. Ensure the insert sits slightly below the surface for proper thread engagement.

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 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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