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HELI-COIL Helical Insert: Tangless Tang Style, Free-Running, #8-32 Thread Size, Plain - Free-Running Tangless Helical Inserts
HELI-COILFree-Running Tangless Helical Inserts

HELI-COIL Helical Insert: Tangless Tang Style, Free-Running, #8-32 Thread Size, Plain

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

SKU 3G-OTH-527347

Brand
HELI-COIL
Item
Helical Insert: Tangless Tang Style, Free-Running, #8-32 Thread Size, Plain
Category
Free-Running Tangless Helical Inserts
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Technical Specifications

HELI-COIL
Manufacturer Part Number
T1185-2C164S
Type
Free-Running, #8-32 Thread Size, Plain, 1,000 PK
Tensile Strength
200,000 to 250,000 psi
Finish Type
Plain
Thread Type
Coarse
STI Tap Size
#8-32
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
18-8
System of Measurement
Inch
View Full Spec Sheet

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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 #8-32 thread size, plain finish, and 18-8 material grade. It features a coarse right-hand thread, tensile strength of 200,000 to 250,000 psi, and is compatible with metal. Supplied in a 1,000-piece pack (MPN T1185-2C164S), this inch-system insert is designed for STI tap size #8-32.

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 threads in metal. The tangless design eliminates the need to break off a tang after installation, saving time. It is commonly used in automotive, aerospace, and industrial maintenance to restore stripped threads to original #8-32 coarse specifications.

What are the specifications of the HELI-COIL T1185-2C164S insert?

The HELI-COIL T1185-2C164S is a free-running tangless insert with #8-32 thread size, coarse right-hand thread, plain finish, and 18-8 material grade. It has a tensile strength of 200,000 to 250,000 psi, is compatible with metal, and comes in a 1,000-piece pack. STI tap size is #8-32.

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, customs clearance, and delivery to your facility. Contact us to order the T1185-2C164S or other HELI-COIL part numbers for your thread repair needs.

How to install a tangless helical insert?

To install a tangless helical insert, drill out the damaged thread to the specified STI tap size (#8-32 for this insert), tap the hole, then use a tangless installation tool to wind the insert into place. No tang removal is needed. Follow HELI-COIL's instructions for proper depth and alignment.

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, 1/4"-28 Thread Size, Plain, 1,000 PK (MPN T1191-4C250S). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: 1/4"-28; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Fine.
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HELI-COIL Helical Insert: Tangless Tang Style, Free-Running, 1/4"-20 Thread Size, Plain, 1,000 PK (MPN T1185-4C375S). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: 1/4"-20; 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, 1/4"-20 Thread Size, Plain, 100 PK (MPN AT1185-4C250). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: 1/4"-20; 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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