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HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, 1/8"-27 Thread Size - Insert & Tool Kits
HELI-COILInsert & Tool Kits

HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, 1/8"-27 Thread Size

The HELI-COIL Thread Repair Kit (MPN 5407-2) is a tanged tang style kit for free-running, stainless steel helical inserts. It includes a 1/8"-27 NPT STI tap and inserts made from 18-8 stainless steel, designed for…

SKU 3G-OTH-527862

Brand
HELI-COIL
Item
Thread Repair Kit: Tanged Tang Style, Free-Running, 1/8"-27 Thread Size
Category
Insert & Tool Kits
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Technical Specifications

HELI-COIL
Manufacturer Part Number
5407-2
Type
Free-Running, Stainless Steel
Finish Type
Plain
Thread Size
1/8"-27
Thread Type
NPT
STI Tap Size
1/8"-27
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 5407-2) is a tanged tang style kit for free-running, stainless steel helical inserts. It includes a 1/8"-27 NPT STI tap and inserts made from 18-8 stainless steel, designed for right-hand thread repair in metal. This inch-system kit is a genuine HELI-COIL product, an OEM brand we supply as part of our industrial solutions across 14 departments, with specialist depth 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 the HELI-COIL Thread Repair Kit 5407-2 used for?

The HELI-COIL Thread Repair Kit 5407-2 is used to restore damaged internal threads in metal components. It installs 18-8 stainless steel helical inserts for a free-running, right-hand thread with a 1/8"-27 NPT size, ideal for industrial maintenance across machining, hydraulics, and pneumatics applications.

What are the specifications of the HELI-COIL 5407-2 kit?

The HELI-COIL 5407-2 kit includes a 1/8"-27 NPT STI tap and helical inserts made from 18-8 stainless steel. It is a tanged tang style, free-running, right-hand thread kit for metal, measured in inches. The thread size is 1/8"-27, and the brand is HELI-COIL.

Where to buy HELI-COIL Thread Repair Kit 5407-2 worldwide?

You can source the genuine HELI-COIL Thread Repair Kit 5407-2 from 3G Electric, which supplies industrial equipment worldwide. We handle full logistics and customs clearance to deliver this kit to your facility, supporting maintenance across 14 industrial departments including machining and pneumatics.

How to install a HELI-COIL thread insert from the 5407-2 kit?

To install a HELI-COIL insert from the 5407-2 kit, drill out the damaged thread, tap the hole with the included 1/8"-27 NPT STI tap, then wind the helical insert onto the tang tool and screw it into the tapped hole. Break off the tang after installation for a secure, free-running thread in metal.

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, 9/16"-12 Thread Size, Stainless Steel (MPN 5401-9). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: 9/16"-12; 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, M10-1.00 Thread Size, Stainless Steel (MPN 5523-10). 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.
HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, 1 1/8"-12 Thread Size, Stainless Steel (MPN 5528-18). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: 1-1/8"-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 1/8"-12 Thread Size, Stainless Steel (MPN 5528-18). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: 1-1/8"-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, 1/4"-18 Thread Size, Stainless Steel (MPN 5407-4). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: 1/4"-18; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Thread Type: NPT.
HELI-COIL Thread Repair Kit: Tanged Tang Style, Free-Running, M4-0.70 Thread Size, Stainless Steel (MPN 5403-4). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: M4-0.70; 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, 1/4"-20 Thread Size, Stainless Steel (MPN 5401-4). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Insert Types Included: Helical Inserts; STI Tap Size: 1/4"-20; 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, M10-1 Thread Size, Stainless Steel (MPN 5404-10). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; Thread Size: M10-1; Insert Types Included: Helical Inserts; STI Tap Size: M10X1 STI; Compatible Material: Metal; System of Measurement: Metric; Brand: HELI-COIL.
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