HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 1/4"-28 Thread Size, Plain
The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert with a plain finish, designed for 1/4"-28 fine threads in metal. Supplied in a 1,000-piece pack, it features 18-8 material grade and a tensile…
SKU 3G-OTH-528929
- 6–10 business days door-to-door; Bea Cukai clearance typically 3–5 business days.
- Invoicing in IDR or USD. Bank transfer and corporate PO accepted.
- Dikirim ke: Jakarta, Surabaya, Bandung, Medan, Batam
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Deskripsi Produk
The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert with a plain finish, designed for 1/4"-28 fine threads in metal. Supplied in a 1,000-piece pack, it features 18-8 material grade and a tensile strength of 200,000 to 250,000 psi, with a right-hand thread direction and STI tap size of 1/4"-28.
Supplied to Indonesia — compatible with 50 Hz installations. DHL Express delivery to Jakarta, Surabaya, Bandung, customs and duties handled door-to-door.
Pertanyaan yang Sering Diajukan
What is a HELI-COIL helical insert used for?
A HELI-COIL helical insert repairs or reinforces tapped threads in metal. It provides a durable, screw-locking thread for 1/4"-28 fine threads, ideal for automotive, aerospace, and industrial applications where stripped or worn threads need restoration.
What are the specifications of the HELI-COIL 3591-4CN500S insert?
This HELI-COIL insert has a 1/4"-28 fine thread, 18-8 material grade, tensile strength of 200,000 to 250,000 psi, right-hand thread direction, and plain finish. It comes in a 1,000-piece pack with STI tap size 1/4"-28, designed for metal substrates.
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 logistics, customs, and delivery to your location. Contact us to order the 3591-4CN500S or other thread repair inserts for your application.
How to install a HELI-COIL screw-locking insert?
Install a HELI-COIL screw-locking insert by drilling to the specified STI tap size (1/4"-28), tapping the hole, then using a tang break-off tool to insert the coil. The screw-locking feature grips the bolt to resist vibration. Follow standard thread repair procedures for best results.
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3G Electric memasok HELI-COIL screw-locking tanged helical inserts. Kami menyediakan produk asli dengan ketersediaan tersedia di gudang untuk SKU umum, dokumentasi teknis, dukungan commissioning, dan layanan garansi — di seluruh dunia.









