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HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #10-32 Thread Size - Screw-Locking Tangless Helical Inserts
HELI-COILScrew-Locking Tangless Helical Inserts

HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #10-32 Thread Size

The HELI-COIL Helical Insert is a screw-locking tangless helical insert in #10-32 thread size, 100 PK (MPN AT3591-3CW190). It features an 18-8 material grade, dry film lubricant finish, right-hand fine thread, and a…

SKU 3G-OTH-532463

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

HELI-COIL
Manufacturer Part Number
AT3591-3CW190
Type
Screw-Locking, #10-32 Thread Size, 100 PK
Tensile Strength
200,000 to 250,000 psi
Finish Type
Dry Film Lubricant
Thread Type
Fine
STI Tap Size
#10-32
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 screw-locking tangless helical insert in #10-32 thread size, 100 PK (MPN AT3591-3CW190). It features an 18-8 material grade, dry film lubricant finish, right-hand fine thread, and a tensile strength of 200,000 to 250,000 psi. Compatible with metal, this inch-system insert uses an STI tap size of #10-32.

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 screw-locking design resists vibration loosening, while the tangless feature eliminates the need for a break-off tang, simplifying installation. It is commonly used in automotive, aerospace, and industrial maintenance applications.

What are the specifications of the HELI-COIL AT3591-3CW190 insert?

The HELI-COIL AT3591-3CW190 is a #10-32 fine-thread, right-hand, screw-locking tangless insert made from 18-8 stainless steel. It has a tensile strength of 200,000 to 250,000 psi, uses an STI tap size of #10-32, and comes in a 100-piece pack with a dry film lubricant finish.

Where to buy HELI-COIL helical inserts 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 AT3591-3CW190 and other HELI-COIL products to your facility. Contact us for a quote and delivery options.

How to install a tangless screw-locking helical insert?

To install a HELI-COIL tangless screw-locking insert, drill and tap the hole to the specified STI tap size (#10-32). Use a tangless installation tool to wind the insert into the tapped hole until it sits slightly below the surface. No break-off tang removal is needed, simplifying the process.

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 screw-locking 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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