HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, #4-40 Thread Size
The HELI-COIL Helical Insert is a tanged tang-style screw-locking insert for #4-40 coarse threads, supplied in a 100-piece pack. Made from 18-8 material with a dry film lubricant finish, it offers a tensile strength…
SKU 3G-OTH-529048
Also listed as: A358504CNW112 · A3585 04CNW112
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
The HELI-COIL Helical Insert is a tanged tang-style screw-locking insert for #4-40 coarse threads, supplied in a 100-piece pack. Made from 18-8 material with a dry film lubricant finish, it offers a tensile strength of 200,000 to 250,000 psi and is compatible with metal substrates. This inch-system insert uses a right-hand thread direction 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 reinforces internal threads in metal components. This screw-locking tanged tang style for #4-40 coarse threads provides strong, wear-resistant threads in applications like automotive, aerospace, and industrial machinery, preventing thread stripping and extending part life.
What are the specifications of the HELI-COIL A3585-04CNW112 insert?
This HELI-COIL insert has a #4-40 coarse thread, right-hand direction, and requires an STI tap size of #4-40. It is made from 18-8 material with a dry film lubricant finish, offering a tensile strength of 200,000 to 250,000 psi. It comes in a 100-piece pack and is compatible with metal substrates.
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this #4-40 screw-locking insert to your facility. Contact us for pricing and lead time on the A3585-04CNW112 100-pack.
How to install a HELI-COIL tanged tang insert?
To install a HELI-COIL tanged tang insert, drill the hole to the specified size, tap it using the correct STI tap (here #4-40), then use a tang installation tool to wind the insert into the tapped hole. After installation, break off the tang with a punch. Ensure the substrate is clean and lubricated.
Used in
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.
