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HELI-COIL Screw-Locking Tangless Helical Insert - Screw-Locking Tangless Helical Inserts
HELI-COILScrew-Locking Tangless Helical Inserts

HELI-COIL Screw-Locking Tangless Helical Insert

3G Electric supplies the HELI-COIL Tangless Tang Style Helical Insert (SKU AT3591-3CW380, MPN AT3591-3CW380), a screw-locking, #10-32 fine-thread insert with a tensile strength of 200,000 to 250,000 psi. Made from…

SKU 3G-OTH-532465

Also listed as: AT35913CW380 · AT3591 3CW380

Brand
HELI-COIL
Item
Screw-Locking Tangless Helical Insert
Category
Screw-Locking Tangless Helical Inserts
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

HELI-COIL
Manufacturer Part Number
AT3591-3CW380
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

Technical Documents

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

Product Description

3G Electric supplies the HELI-COIL Tangless Tang Style Helical Insert (SKU AT3591-3CW380, MPN AT3591-3CW380), a screw-locking, #10-32 fine-thread insert with a tensile strength of 200,000 to 250,000 psi. Made from 18-8 stainless steel with a dry film lubricant finish, this right-hand thread insert is compatible with metal and comes in a 100-piece pack. As an authorised distributor across 14 industrial departments — with specialist depth in combustion, pumps and controls — we interpret demand and deliver genuine HELI-COIL inserts with accountable support.

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?

HELI-COIL Tangless Helical Inserts repair or reinforce internal threads in metal. The screw-locking design resists vibration loosening, and the tangless style eliminates the need to break off a tang after installation. They are ideal for aerospace, automotive, and industrial maintenance applications.

What are the specifications of the HELI-COIL AT3591-3CW380 insert?

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

Where to buy HELI-COIL inserts in worldwide?

3G Electric supplies genuine HELI-COIL inserts worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source and deliver the exact HELI-COIL part you need, including the AT3591-3CW380, with accountable support.

How to install a tangless helical insert?

To install a tangless helical insert, drill the hole to the specified size, tap it with the correct STI tap, then use a tangless installation tool to wind the insert into the tapped hole. The screw-locking feature engages after installation. Always follow the manufacturer's instructions 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 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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