HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, 1/4"-28 Thread Size
HELI-COIL Tangless Tang Style Helical Insert, a screw-locking tangless insert with 1/4"-28 fine thread, 18-8 material grade, and dry film lubricant finish. Supplied in a 100-piece pack (MPN AT3591-4CW375), it offers…
SKU 3G-OTH-532475
- 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
HELI-COIL Tangless Tang Style Helical Insert, a screw-locking tangless insert with 1/4"-28 fine thread, 18-8 material grade, and dry film lubricant finish. Supplied in a 100-piece pack (MPN AT3591-4CW375), it offers a tensile strength of 200,000 to 250,000 psi for metal-compatible, right-hand thread applications.
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 Tangless Tang Style helical insert used for?
A HELI-COIL Tangless Tang Style helical insert repairs or reinforces tapped threads in metal. The screw-locking version resists vibration loosening. The tangless design eliminates the need to break off a tang after installation, saving time in production and maintenance applications.
What are the specifications of the HELI-COIL AT3591-4CW375 insert?
The HELI-COIL AT3591-4CW375 is a screw-locking tangless insert with 1/4\"-28 fine thread, 18-8 material grade, and dry film lubricant finish. It has a tensile strength of 200,000 to 250,000 psi, is compatible with metal, and comes in a 100-piece pack.
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 full logistics and customs clearance to deliver the AT3591-4CW375 and other HELI-COIL products to your facility. Contact us for a quote and delivery timeline.
How to install a tangless helical insert?
To install a tangless helical insert, drill and tap the hole to the STI tap size (1/4\"-28 for this insert). Use a tangless installation tool to wind the insert into the tapped hole until it sits slightly below the surface. No tang removal step is needed, simplifying the process.
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3G Electric memasok HELI-COIL screw-locking tangless helical inserts. Kami menyediakan produk asli dengan ketersediaan tersedia di gudang untuk SKU umum, dokumentasi teknis, dukungan commissioning, dan layanan garansi — di seluruh dunia.









