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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 5402-9) is a tanged tang style kit for free-running, stainless steel helical inserts. It includes a 9/16"-18 STI tap and inserts made from 18-8 stainless steel, with a fine…

SKU 3G-OTH-528041

Also listed as: 54029 · 5402 9

Brand
HELI-COIL
Item
Thread Repair Kit: Tanged Tang Style
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
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
5402-9
Type
Free-Running, Stainless Steel
Finish Type
Plain
Thread Size
9/16"-18
Thread Type
Fine
STI Tap Size
9/16"-18
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 5402-9) is a tanged tang style kit for free-running, stainless steel helical inserts. It includes a 9/16"-18 STI tap and inserts made from 18-8 stainless steel, with a fine, right-hand thread for inch-system metal repair.

Frequently Asked Questions

What is the HELI-COIL Thread Repair Kit 5402-9 used for?

The HELI-COIL Thread Repair Kit 5402-9 is used to restore damaged internal threads in metal components. It creates strong, free-running 9/16"-18 fine threads using 18-8 stainless steel helical inserts, ideal for automotive, industrial, and maintenance applications.

What are the specifications of the HELI-COIL Thread Repair Kit 5402-9?

This kit includes a 9/16"-18 STI tap and helical inserts made from 18-8 stainless steel. It features a free-running, tanged tang design with right-hand, fine threads. The system of measurement is inch, and it is compatible with metal substrates.

Where to buy the HELI-COIL Thread Repair Kit 5402-9 worldwide?

3G Electric supplies the HELI-COIL Thread Repair Kit 5402-9 to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine HELI-COIL products for your thread repair needs.

How to install a HELI-COIL thread insert from kit 5402-9?

Drill out the damaged thread to the specified size, then tap the hole using the included 9/16"-18 STI tap. Insert the helical coil using the tang, break off the tang after installation. Always follow standard thread repair practices 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
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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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