HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #2-56 Thread Size, Plain
The HELI-COIL Helical Insert is a screw-locking tangless helical insert with a #2-56 thread size, plain finish, and 18-8 material grade. It features a right-hand coarse thread, a tensile strength of 200,000 to…
SKU 3G-OTH-532457
Also listed as: AT358502C172 · AT3585 02C172
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The HELI-COIL Helical Insert is a screw-locking tangless helical insert with a #2-56 thread size, plain finish, and 18-8 material grade. It features a right-hand coarse thread, a tensile strength of 200,000 to 250,000 psi, and is compatible with metal. Supplied in a 100-pack, this inch-system insert uses STI Tap Size #2-56.
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, and the tangless feature eliminates the need for a break-off tang removal step. It is commonly used in aerospace, automotive, and industrial maintenance applications.
What are the specifications of the HELI-COIL AT3585-02C172 insert?
This HELI-COIL insert has a #2-56 thread size, coarse 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. It uses STI Tap Size #2-56 and comes in a 100-pack for inch-system metal applications.
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the AT3585-02C172 or other HELI-COIL thread repair inserts.
How to install a tangless screw-locking helical insert?
To install a HELI-COIL tangless insert, drill the hole to the specified size, tap it using the correct STI tap (#2-56 for this insert), then use a tangless installation tool to wind the insert into the tapped hole. The screw-locking feature holds the insert in place without additional adhesives.
Used in
Common applications for HELI-COILHELI-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.
