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HELI-COIL Helical Insert: Tangless Tang Style, Free-Running, #10-32 Thread Size, Plain - Free-Running Tangless Helical Inserts
HELI-COILFree-Running Tangless Helical Inserts

HELI-COIL Helical Insert: Tangless Tang Style, Free-Running, #10-32 Thread Size, Plain

The HELI-COIL Helical Insert (Tangless Tang Style) is a free-running, #10-32 thread size, plain finish insert made from 18-8 material with a tensile strength of 200,000 to 250,000 psi. It features a right-hand, fine…

SKU 3G-OTH-527333

Brand
HELI-COIL
Item
Helical Insert: Tangless Tang Style, Free-Running, #10-32 Thread Size, Plain
Category
Free-Running Tangless Helical Inserts
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Technical Specifications

HELI-COIL
Manufacturer Part Number
AT1191-3C190
Type
Free-Running, #10-32 Thread Size, Plain, 100 PK
Tensile Strength
200,000 to 250,000 psi
Finish Type
Plain
Thread Type
Fine
STI Tap Size
#10-32
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 (Tangless Tang Style) is a free-running, #10-32 thread size, plain finish insert made from 18-8 material with a tensile strength of 200,000 to 250,000 psi. It features a right-hand, fine thread and is compatible with metal substrates, supplied in a 100-piece pack (MPN AT1191-3C190).

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 Tangless helical insert used for?

A HELI-COIL Tangless helical insert repairs or reinforces internal threads in metal substrates. The tangless design eliminates the need to break off a tang after installation, saving time in high-volume production and maintenance applications across automotive, aerospace, and industrial equipment.

What are the specifications of the HELI-COIL AT1191-3C190 insert?

This HELI-COIL insert is a free-running, tangless style with #10-32 thread size, fine thread, right-hand direction, and plain finish. It is made from 18-8 stainless steel with a tensile strength of 200,000 to 250,000 psi. Supplied in a 100-piece pack (MPN AT1191-3C190).

Where to buy HELI-COIL helical inserts for worldwide delivery?

3G Electric supplies HELI-COIL helical inserts like the AT1191-3C190 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact our team for a quote and lead time on this 100-pack of #10-32 tangless inserts.

How to install a tangless helical insert?

Install a tangless helical insert by drilling the hole to the specified STI tap size (#10-32), tapping with the correct STI tap, then using a tangless installation tool to wind the insert into the threads. No tang removal step is needed, reducing installation time compared to standard inserts.

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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HELI-COIL Helical Insert: Tangless Tang Style, Free-Running, #8-32 Thread Size, Plain, Plain, 100 PK (MPN AT1185-2C246). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #8-32; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.
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HELI-COIL Helical Insert: Tangless Tang Style, Free-Running, #8-32 Thread Size, Plain, 1,000 PK (MPN T1185-2C328S). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #8-32; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.
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