HELI-COIL Screw-Locking Tanged Helical Insert
3G Electric supplies the HELI-COIL Helical Insert, a tanged tang-style screw-locking insert with a 5/16"-24 fine thread, 18-8 material grade, and dry film lubricant finish. This 500-piece pack delivers a tensile…
SKU 3G-OTH-528889
Also listed as: 35915CNW312S · 3591 5CNW312S
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
3G Electric supplies the HELI-COIL Helical Insert, a tanged tang-style screw-locking insert with a 5/16"-24 fine thread, 18-8 material grade, and dry film lubricant finish. This 500-piece pack delivers a tensile strength of 200,000 to 250,000 psi for metal applications. We interpret demand and source genuine industrial components across 14 departments—including fasteners, machining, and electrical—with specialist depth in combustion, pumps, and controls as an authorised distributor.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces threads in metal components. This screw-locking tanged tang style with 5/16"-24 fine thread provides a strong, vibration-resistant thread for applications in machining, automotive, and industrial equipment. 3G Electric supplies this genuine HELI-COIL insert for worldwide delivery.
What are the specifications of the HELI-COIL 3591-5CNW312S insert?
This HELI-COIL insert has a 5/16"-24 fine thread, 18-8 material grade, dry film lubricant finish, and tensile strength of 200,000 to 250,000 psi. It is a screw-locking tanged tang style, right-hand thread, compatible with metal, and comes in a 500-piece pack. 3G Electric sources this genuine HELI-COIL part for global supply.
Where to buy HELI-COIL helical inserts in worldwide?
3G Electric supplies HELI-COIL helical inserts worldwide. We interpret your demand, source genuine components like this 5/16"-24 screw-locking insert, and handle full logistics and customs for delivery to your location. Contact us to order the HELI-COIL 3591-5CNW312S or other industrial parts across 14 departments.
How to install a tanged tang-style helical insert?
Install a tanged tang-style helical insert by first tapping the hole with the correct STI tap (5/16"-24 for this HELI-COIL insert). Use a tang break-off tool after installation to remove the tang. Ensure the hole is clean and apply lubricant if needed. 3G Electric provides genuine HELI-COIL inserts for reliable thread repair.
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.
