HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #2-56 Thread Size, Plain
HELI-COIL Tangless Tang Style Helical Insert is a screw-locking, plain finish insert for #2-56 coarse threads in metal. It is made from 18-8 material with a tensile strength of 200,000 to 250,000 psi, requires a 3/32…
SKU 3G-OTH-532477
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Product Description
HELI-COIL Tangless Tang Style Helical Insert is a screw-locking, plain finish insert for #2-56 coarse threads in metal. It is made from 18-8 material with a tensile strength of 200,000 to 250,000 psi, requires a 3/32 drill bit and #2-56 STI tap, and is supplied in a 1,000-piece pack (MPN T3585-02C172S).
Frequently Asked Questions
What is a HELI-COIL Tangless Tang Style helical insert used for?
A HELI-COIL Tangless Tang Style helical insert is used to repair or reinforce internal threads in metal components. It provides a strong, screw-locking thread for #2-56 fasteners, ideal for aerospace, automotive, and industrial applications where vibration resistance is critical.
What are the specifications of the HELI-COIL T3585-02C172S insert?
The HELI-COIL T3585-02C172S is a screw-locking, plain finish insert for #2-56 coarse threads. It is made from 18-8 stainless steel with a tensile strength of 200,000 to 250,000 psi. It requires a 3/32 drill bit and #2-56 STI tap, and is supplied in a 1,000-piece pack.
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 T3585-02C172S or other HELI-COIL part numbers for your application.
How to install a HELI-COIL Tangless Tang Style insert?
To install a HELI-COIL Tangless Tang Style insert, drill a hole using a 3/32 drill bit, then tap it with a #2-56 STI tap. Insert the coil using a tangless installation tool, ensuring it sits below the surface. The screw-locking feature secures the fastener without additional adhesives.
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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.









