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HELI-COIL 5402-6 Thread Repair Kit: Free-Running, 3/8"-24, Stainless Steel - Insert & Tool Kits
HELI-COILInsert & Tool Kits

HELI-COIL 5402-6 Thread Repair Kit: Free-Running, 3/8"-24, Stainless Steel

The HELI-COIL Thread Repair Kit (MPN 5402-6) is a tanged tang style insert and tool kit for repairing 3/8"-24 fine threads in metal. It includes 18-8 stainless steel helical inserts with a free-running, plain finish…

SKU 3G-OTH-527871

Also listed as: 54026 · 5402 6

Brand
HELI-COIL
Item
5402-6 Thread Repair Kit: Free-Running, 3/8"-24, Stainless Steel
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
5402-6
Type
Free-Running, Stainless Steel
Finish Type
Plain
Thread Size
3/8"-24
Thread Type
Fine
STI Tap Size
3/8"-24
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 5402-6) is a tanged tang style insert and tool kit for repairing 3/8"-24 fine threads in metal. It includes 18-8 stainless steel helical inserts with a free-running, plain finish and a right-hand thread direction. The kit comes with an STI tap sized 3/8"-24, making it a complete solution for restoring damaged inch-system threads.

Frequently Asked Questions

What is the HELI-COIL Thread Repair Kit 5402-6 used for?

The HELI-COIL Thread Repair Kit 5402-6 is used to restore damaged 3/8"-24 fine threads in metal components. It includes 18-8 stainless steel helical inserts and an STI tap, providing a complete solution for repairing stripped or worn threads in inch-system applications across industrial machinery and equipment.

What are the specifications of the HELI-COIL Thread Repair Kit 5402-6?

The HELI-COIL Thread Repair Kit 5402-6 features 18-8 stainless steel helical inserts with a free-running, plain finish. It has a 3/8"-24 thread size, fine thread type, right-hand thread direction, and includes an STI tap sized 3/8"-24. The kit is designed for metal substrates and uses inch-system measurements.

Where to buy the HELI-COIL Thread Repair Kit 5402-6 worldwide?

3G Electric supplies the HELI-COIL Thread Repair Kit 5402-6 to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this thread repair kit to your facility. Contact us for availability and lead time on this HELI-COIL product.

How to install the HELI-COIL Thread Repair Kit 5402-6?

To install the HELI-COIL Thread Repair Kit 5402-6, drill out the damaged thread to the specified size, then tap the hole using the included 3/8"-24 STI tap. Insert the 18-8 stainless steel helical insert using the tang-style installation tool, then break off the tang. 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

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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