HELI-COIL Screw-Locking Tanged Helical Insert
The HELI-COIL Helical Insert is a tanged tang style, screw-locking insert with a 1/4"-20 coarse thread, 18-8 material grade, and dry film lubricant finish. It offers a tensile strength of 200,000 to 250,000 psi, is…
SKU 3G-OTH-528952
Also listed as: A35854CNW250 · A3585 4CNW250
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
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Product Description
The HELI-COIL Helical Insert is a tanged tang style, screw-locking insert with a 1/4"-20 coarse thread, 18-8 material grade, and dry film lubricant finish. It offers a tensile strength of 200,000 to 250,000 psi, is compatible with metal, and comes in a 100-piece pack (MPN A3585-4CNW250).
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces threads in metal. It provides a strong, wear-resistant internal thread for fasteners, especially in soft materials like aluminum. The screw-locking version resists vibration loosening. 3G Electric supplies this insert for industrial maintenance and production applications worldwide.
What are the specifications of the HELI-COIL A3585-4CNW250?
This HELI-COIL insert has a 1/4"-20 coarse thread, 18-8 material grade, and a tensile strength of 200,000 to 250,000 psi. It is a tanged tang style, screw-locking type with dry film lubricant finish, right-hand thread, and comes in a 100-piece pack (MPN A3585-4CNW250).
Where to buy HELI-COIL helical inserts worldwide?
3G Electric supplies HELI-COIL helical inserts to customers worldwide. We handle full logistics and customs clearance for international orders. Contact us to source the A3585-4CNW250 or other thread repair inserts for your industrial needs.
How to install a HELI-COIL tanged helical insert?
To install a HELI-COIL tanged insert, drill out the damaged thread to the specified STI tap size (1/4"-20), tap the hole, then use a tang-style installation tool to wind the insert into place. After installation, break off the tang with a punch. Always follow the manufacturer's instructions for best results.
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.
