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HELI-COIL Screw-Locking Tanged Helical Insert - Screw-Locking Tanged Helical Inserts
HELI-COILScrew-Locking Tanged Helical Inserts

HELI-COIL Screw-Locking Tanged Helical Insert

HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, #10-32 Thread Size, Plain, 1,000 PK (MPN 3591-3CN380S). This 18-8 stainless steel insert provides a tensile strength of 200,000 to 250,000 psi for…

SKU 3G-OTH-528914

Also listed as: 35913CN380S · 3591 3CN380S

Brand
HELI-COIL
Item
Screw-Locking Tanged Helical Insert
Category
Screw-Locking Tanged Helical Inserts
Available to Order
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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

Technical Specifications

HELI-COIL
Manufacturer Part Number
3591-3CN380S
Type
Screw-Locking, #10-32 Thread Size, Plain, 1,000 PK
Tensile Strength
200,000 to 250,000 psi
Finish Type
Plain
Thread Type
Fine
STI Tap Size
#10-32
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
18-8
System of Measurement
Inch

Technical Documents

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HELI-COIL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, #10-32 Thread Size, Plain, 1,000 PK (MPN 3591-3CN380S). This 18-8 stainless steel insert provides a tensile strength of 200,000 to 250,000 psi for right-hand fine threads in metal. 3G Electric interprets your demand and sources this genuine HELI-COIL product across 14 industrial departments — 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 internal threads in metal. This screw-locking tanged style for #10-32 fine threads provides a 18-8 stainless steel thread with 200,000 to 250,000 psi tensile strength, ideal for demanding industrial applications.

What are the specifications of the HELI-COIL 3591-3CN380S insert?

This HELI-COIL insert has a #10-32 thread size, fine thread type, right-hand direction, and plain finish. It is made of 18-8 stainless steel with a tensile strength of 200,000 to 250,000 psi. The STI tap size is #10-32, and it comes in a 1,000-piece pack.

Where to buy HELI-COIL inserts in worldwide?

3G Electric supplies and delivers genuine HELI-COIL inserts worldwide. We interpret your demand, source this #10-32 screw-locking insert, and handle full logistics and customs clearance. Contact us for availability and delivery to your location.

How to install a tanged helical insert?

Install a tanged helical insert by first tapping the hole with the correct STI tap (here #10-32). Use a tang drive tool to wind the insert into the hole until it sits below the surface. After installation, break off the tang with a punch. Always follow the manufacturer's instructions.

Used in

Common applications for HELI-COIL
Aerospace engine repair — HELI-COIL STI taps for M12x1.75 metric threads in aluminum alloy components
Automotive transmission rebuild — HELI-COIL STI taps for 7/16-14 UNC threads in cast iron housings
Industrial pump maintenance — HELI-COIL STI taps for #10-32 UNF threads in stainless steel pump bodies
Hydraulic cylinder repair — HELI-COIL STI taps for M6x1 metric threads in steel cylinder heads
General manufacturing — HELI-COIL STI taps for 9/16-18 UNF threads in machinery base plates

HELI-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.

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