HELI-COIL #4-40 Screw-Locking Tanged Helical Insert
The HELI-COIL Helical Insert is a tanged tang style, screw-locking insert with #4-40 thread size, plain finish, and 18-8 material grade. It has a tensile strength of 200,000 to 250,000 psi, right-hand thread…
SKU 3G-OTH-529000
Also listed as: 358504CN168S · 3585 04CN168S
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 tanged tang style, screw-locking insert with #4-40 thread size, plain finish, and 18-8 material grade. It has a tensile strength of 200,000 to 250,000 psi, right-hand thread direction, and is compatible with metal. Supplied in a 1,000 PK, this inch-system insert uses a coarse thread type and requires an STI tap size of #4-40.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or strengthens threads in metal. This screw-locking tanged tang style, #4-40 thread size, plain finish insert provides a durable 18-8 stainless steel thread with 200,000 to 250,000 psi tensile strength, ideal for industrial applications requiring reliable thread reinforcement.
What are the specifications of the HELI-COIL 3585-04CN168S insert?
This HELI-COIL insert has a #4-40 thread size, coarse thread type, right-hand thread direction, and 18-8 material grade. It features a screw-locking tanged tang style, plain finish, and tensile strength of 200,000 to 250,000 psi. It requires an STI tap size of #4-40 and is compatible with metal.
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 and customs for delivery to your location. Contact us to source this #4-40 screw-locking tanged tang insert, part number 3585-04CN168S, for your thread repair needs.
How to install a HELI-COIL tanged tang insert?
To install a HELI-COIL tanged tang insert, drill to the specified size, tap with the correct STI tap (here #4-40), then use a tang insertion tool to wind the insert into the tapped hole. After installation, break off the tang with a punch. Always follow the manufacturer's instructions for best results.
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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.
