HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, #10-32 Thread Size
HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, #10-32 Thread Size, 100 PK (MPN A3591-3CNW380). These 18-8 stainless steel inserts feature a Dry Film Lubricant finish, right-hand fine threads, and a…
SKU 3G-OTH-528874
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Product Description
HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, #10-32 Thread Size, 100 PK (MPN A3591-3CNW380). These 18-8 stainless steel inserts feature a Dry Film Lubricant finish, right-hand fine threads, and a tensile strength of 200,000 to 250,000 psi, with an STI Tap Size of #10-32 for metal substrates.
Frequently Asked Questions
What is a HELI-COIL screw-locking tanged helical insert used for?
HELI-COIL screw-locking tanged helical inserts repair or reinforce tapped threads in metal substrates. The screw-locking design resists vibration loosening, making them ideal for demanding industrial applications where joint integrity is critical. 3G Electric supplies these inserts globally.
What are the specifications of HELI-COIL insert A3591-3CNW380?
This HELI-COIL insert has a #10-32 fine thread, right-hand direction, and an STI tap size of #10-32. It is made from 18-8 stainless steel with a Dry Film Lubricant finish, offering a tensile strength of 200,000 to 250,000 psi. It comes in a 100-piece pack.
Where to buy HELI-COIL inserts in worldwide?
3G Electric supplies HELI-COIL inserts worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the A3591-3CNW380 or other HELI-COIL part numbers. We source genuine industrial components across 14 departments.
How to install a HELI-COIL tanged helical insert?
Installation requires drilling to the specified STI tap size (#10-32), tapping the hole with the correct STI tap, then using a tang-style installation tool to insert the HELI-COIL. After insertion, break off the tang. Always follow the manufacturer's instructions for proper thread engagement and torque.
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Common applications for HELI-COILHELI-COIL Products
3G Electric supplies HELI-COIL screw-locking tanged helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









