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HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, #6-40 Thread Size - Insert & Tool Kits
HELI-COILInsert & Tool Kits

HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, #6-40 Thread Size

The HELI-COIL Thread Repair Kit (MPN 5402-06) is a tanged tang style insert and tool kit for free-running, #6-40 fine thread repairs in metal. It includes 18-8 stainless steel helical inserts with a right-hand thread…

SKU 3G-OTH-528103

Brand
HELI-COIL
Item
Thread Repair Kit: Tanged Tang Style, Free-Running, #6-40 Thread Size
Category
Insert & Tool Kits
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Technical Specifications

HELI-COIL
Manufacturer Part Number
5402-06
Type
Free-Running, #6-40 Thread Size, Stainless Steel
Finish Type
Plain
Thread Type
Fine
STI Tap Size
#6-40
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
18-8
Insert Types Included
Helical Inserts
System of Measurement
Inch
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HELI-COIL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HELI-COIL Thread Repair Kit (MPN 5402-06) is a tanged tang style insert and tool kit for free-running, #6-40 fine thread repairs in metal. It includes 18-8 stainless steel helical inserts with a right-hand thread direction and an STI tap size of #6-40, supplied in inch system of measurement.

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 #6-40 fine threads, ideal for automotive, aerospace, and industrial maintenance applications.

What are the specifications of the HELI-COIL 5402-06 kit?

The HELI-COIL 5402-06 kit includes tanged tang style helical inserts in 18-8 stainless steel, with a #6-40 fine thread size, right-hand thread direction, and an STI tap size of #6-40. It is designed for inch-system metal repairs.

Where to buy HELI-COIL Thread Repair Kit worldwide?

3G Electric supplies the HELI-COIL Thread Repair Kit 5402-06 to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine HELI-COIL inserts and tools for your 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, tap the hole using the included STI tap, then insert the helical coil with the tang end first. Break off the tang after installation for a secure, free-running thread.

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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HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, #12-24 Thread Size, Stainless Steel (MPN 5401-1). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: #12-24; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Thread Type: Coarse.
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HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, #10-24 Thread Size, Stainless Steel (MPN 5401-3). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: #10-24; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Thread Type: Coarse.
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HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, #10-24 Thread Size, Stainless Steel (MPN 5401-3). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: #10-24; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Thread Type: Coarse.
HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, 3/4"-16 Thread Size, Stainless Steel (MPN 5402-12). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: 3/4"-16; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Thread Type: Fine.
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HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, 3/4"-16 Thread Size, Stainless Steel (MPN 5402-12). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: 3/4"-16; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Thread Type: Fine.
HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, M14-2.00 Thread Size, 21 mm Overall Lg (MPN 5403-14). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: M14-2.00; Compatible Material: Metal; System of Measurement: Metric; Brand: HELI-COIL; Thread Type: Coarse.
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HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, M14-2.00 Thread Size, 21 mm Overall Lg (MPN 5403-14). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: M14-2.00; Compatible Material: Metal; System of Measurement: Metric; Brand: HELI-COIL; Thread Type: Coarse.
HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, 5/16"-18 Thread Size, Stainless Steel (MPN 5401-5). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: 5/16"-11; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Thread Type: Coarse.
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HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, M3-0.50 Thread Size, Stainless Steel (MPN 5403-3). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: M3-0.50; Compatible Material: Metal; System of Measurement: Metric; Brand: HELI-COIL; Thread Type: Coarse.
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