HELI-COIL Screw-Locking Tanged Helical Insert, 1/4"-28, Plain, 100 PK
The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert (plain finish, 100 PK) with a 1/4"-28 fine thread, right-hand direction, and an STI tap size of 1/4"-28. Made from Nitronic 60, it offers a…
SKU 3G-OTH-528849
Also listed as: A35914EN375 · A3591 4EN375
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 (plain finish, 100 PK) with a 1/4"-28 fine thread, right-hand direction, and an STI tap size of 1/4"-28. Made from Nitronic 60, it offers a tensile strength of 200,000 psi and is compatible with metal substrates. 3G Electric interprets customer demand and delivers this genuine industrial insert across 14 departments — with specialist depth in combustion, pumps and controls — ensuring you get the right answer, not just a catalog.
Frequently Asked Questions
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces threads in metal substrates. This screw-locking, tanged tang-style insert (1/4"-28 fine thread, Nitronic 60, 200,000 psi tensile strength) provides strong, wear-resistant threads in applications like automotive, aerospace, and industrial machinery. 3G Electric supplies this genuine insert worldwide.
What are the specifications of the HELI-COIL A3591-4EN375 insert?
This HELI-COIL insert has a 1/4"-28 fine thread, right-hand direction, STI tap size 1/4"-28, and is made from Nitronic 60 with a tensile strength of 200,000 psi. It is a screw-locking, tanged tang-style insert with plain finish, compatible with metal substrates, and comes in a 100-pack.
Where to buy HELI-COIL helical inserts in worldwide?
3G Electric sources and delivers genuine HELI-COIL helical inserts, including the A3591-4EN375 screw-locking tanged tang-style insert, to worldwide locations. We handle full logistics and customs clearance, ensuring you get the right industrial solution across 14 departments, with specialist expertise in combustion, pumps, and controls.
How to install a HELI-COIL tanged tang-style insert?
To install a HELI-COIL tanged tang-style insert, drill the hole to the specified STI tap size (1/4"-28), tap threads using the correct STI tap, then use a tang-style installation tool to wind the insert into place. After installation, break off the tang. 3G Electric can advise on proper tooling and selection for your metal substrate.
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.
