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HELI-COIL Free-Running Tangless Helical Insert - Free-Running Tangless Helical Inserts
HELI-COILFree-Running Tangless Helical Inserts

HELI-COIL Free-Running Tangless Helical Insert

The HELI-COIL Helical Insert is a free-running tangless insert with a #6-32 thread size, plain finish, and right-hand coarse thread. It is made from 18-8 material with a tensile strength of 200,000 to 250,000 psi…

SKU 3G-OTH-527351

Also listed as: T118506C138S · T1185 06C138S

Brand
HELI-COIL
Item
Free-Running Tangless Helical Insert
Category
Free-Running Tangless Helical Inserts
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Technical Specifications

HELI-COIL
Manufacturer Part Number
T1185-06C138S
Type
Free-Running, #6-32 Thread Size, Plain, 1,000 PK
Tensile Strength
200,000 to 250,000 psi
Finish Type
Plain
Thread Type
Coarse
STI Tap Size
#6-32
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
18-8
System of Measurement
Inch

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

Product Description

The HELI-COIL Helical Insert is a free-running tangless insert with a #6-32 thread size, plain finish, and right-hand coarse thread. It is made from 18-8 material with a tensile strength of 200,000 to 250,000 psi, compatible with metal, and supplied in a 1,000-piece pack (MPN T1185-06C138S).

Frequently Asked Questions

What is a HELI-COIL tangless helical insert used for?

A HELI-COIL tangless helical insert repairs or reinforces threads in metal. It provides a durable, free-running internal thread for #6-32 fasteners, ideal for automotive, aerospace, and industrial maintenance applications where stripped threads need restoration.

What are the specifications of the HELI-COIL T1185-06C138S insert?

This HELI-COIL insert is a free-running tangless type with #6-32 coarse thread, right-hand direction, and plain finish. It is made from 18-8 material with tensile strength of 200,000 to 250,000 psi, compatible with metal, and supplied in a 1,000-piece pack.

Where to buy HELI-COIL helical inserts in worldwide?

3G Electric supplies HELI-COIL helical inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver the T1185-06C138S tangless insert to your facility. Contact us for pricing and lead time.

How to install a tangless helical insert?

To install a HELI-COIL tangless insert, drill to the specified STI tap size (#6-32), tap the hole, then use a tangless installation tool to wind the insert into place. No tang to break off simplifies removal. 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 free-running tangless helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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