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HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, M4-0.70 Thread Size - Insert & Tool Kits
HELI-COILInsert & Tool Kits

HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, M4-0.70 Thread Size

The HELI-COIL Thread Repair Kit (MPN 5403-4) is a tanged tang style kit for free-running, M4-0.70 metric coarse threads in metal. It includes helical inserts made from 18-8 stainless steel with a right-hand thread…

SKU 3G-OTH-527889

Brand
HELI-COIL
Item
Thread Repair Kit: Tanged Tang Style, Free-Running, M4-0.70 Thread Size
Category
Insert & Tool Kits
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Technical Specifications

HELI-COIL
Manufacturer Part Number
5403-4
Type
Free-Running, M4-0.70 Thread Size, Stainless Steel
Finish Type
Plain
Thread Type
Coarse
STI Tap Size
M4-0.70
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
18-8
Insert Types Included
Helical Inserts
System of Measurement
Metric
View Full Spec Sheet

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

Product Description

The HELI-COIL Thread Repair Kit (MPN 5403-4) is a tanged tang style kit for free-running, M4-0.70 metric coarse threads in metal. It includes helical inserts made from 18-8 stainless steel with a right-hand thread direction and a plain finish. 3G Electric interprets your demand for thread repair solutions across 14 industrial departments, sourcing this kit with specialist support in combustion, pumps and controls.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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 installs a stainless steel helical insert to create a new, durable M4-0.70 coarse thread. 3G Electric sources this kit for maintenance across 14 industrial departments, with specialist support in combustion, pumps and controls.

What are the specifications of the HELI-COIL 5403-4 kit?

The HELI-COIL 5403-4 kit is a tanged tang style, free-running insert kit for M4-0.70 metric coarse threads. It includes 18-8 stainless steel helical inserts with a right-hand thread direction and plain finish. The STI tap size is M4-0.70, and it is compatible with metal substrates.

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

3G Electric supplies the HELI-COIL 5403-4 thread repair kit worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we interpret your demand and source this kit with specialist expertise in combustion, pumps and controls.

How to install a HELI-COIL M4-0.70 insert?

To install a HELI-COIL M4-0.70 insert, drill out the damaged thread, tap the hole with the included STI tap, then use the tang-style installation tool to wind the helical insert into place. Break off the tang after installation. 3G Electric provides sourcing support for this kit across 14 industrial departments.

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, 3/4"-10 Thread Size, Stainless Steel (MPN 5401-12). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: 3/4"-10; 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, 3/4"-10 Thread Size, Stainless Steel (MPN 5401-12). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: 3/4"-10; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Thread Type: Coarse.
HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, M20-2.50 Thread Size, 30 mm Overall Lg (MPN 5403-20). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: M20-2.50; 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, M20-2.50 Thread Size, 30 mm Overall Lg (MPN 5403-20). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: M20-2.50; Compatible Material: Metal; System of Measurement: Metric; Brand: HELI-COIL; Thread Type: Coarse.
HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, #10-32 Thread Size, Stainless Steel (MPN 5402-3). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: #10-32; 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, #10-32 Thread Size, Stainless Steel (MPN 5402-3). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: #10-32; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Thread Type: Fine.
HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, 5/8"-11 Thread Size, Stainless Steel (MPN 5401-10). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: 5/8"-18; 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, M14-1.25 Thread Size, Stainless Steel (MPN 5523-14). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: Special STI; Compatible Material: Metal; System of Measurement: Metric; Brand: HELI-COIL; Thread Type: Fine.
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HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, M14-1.25 Thread Size, Stainless Steel (MPN 5523-14). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: Special STI; Compatible Material: Metal; System of Measurement: Metric; Brand: HELI-COIL; Thread Type: Fine.
HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, M18-1.50 Thread Size, Stainless Steel (MPN 5523-18). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: Special STI; Compatible Material: Metal; System of Measurement: Metric; Brand: HELI-COIL; Thread Type: Fine; Finish Type: Plain.
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HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, 1 1/4"-12 Thread Size, Stainless Steel (MPN 5528-20). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: 1-1/4"-12; 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, 1 1/4"-12 Thread Size, Stainless Steel (MPN 5528-20). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: 1-1/4"-12; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Thread Type: Fine.