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HELI-COIL 3585-12CN1125 Screw-Locking Tanged Helical Insert - Screw-Locking Tanged Helical Inserts
HELI-COILScrew-Locking Tanged Helical Inserts

HELI-COIL 3585-12CN1125 Screw-Locking Tanged Helical Insert

The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert with a 3/4"-10 coarse thread, 1 1/8 in overall length, and a tensile strength of 200,000 to 250,000 psi. Made from 18-8 material grade, it is…

SKU 3G-OTH-528964

Also listed as: 358512CN1125 · 3585 12CN1125

Brand
HELI-COIL
Item
3585-12CN1125 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
3585-12CN1125
Type
Screw-Locking
Overall Lg
1 1/8 in
Tensile Strength
200,000 to 250,000 psi
Finish Type
Plain
Thread Size
3/4"-10
Thread Type
Coarse
STI Tap Size
3/4"-10
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

The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert with a 3/4"-10 coarse thread, 1 1/8 in overall length, and a tensile strength of 200,000 to 250,000 psi. Made from 18-8 material grade, it is designed for right-hand threading in metal applications. 3G Electric interprets customer demand and delivers this genuine industrial insert across 14 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 tapped threads in metal. This screw-locking, tanged tang-style insert with 3/4"-10 coarse thread provides a strong, wear-resistant thread in applications like engine blocks, industrial machinery, and fluid power components. 3G Electric supplies this genuine insert across 14 industrial departments.

What are the specifications of the HELI-COIL 3585-12CN1125?

This HELI-COIL insert has a 3/4"-10 coarse thread, 1 1/8 in overall length, and a tensile strength of 200,000 to 250,000 psi. It is made from 18-8 stainless steel, features a plain finish, and is designed for right-hand threading in metal. The STI tap size is 3/4"-10.

Where to buy HELI-COIL helical inserts worldwide?

3G Electric supplies HELI-COIL helical inserts worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine parts like the 3585-12CN1125 to your facility. Contact us for availability and lead time on this screw-locking, tanged tang-style insert.

How to install a HELI-COIL tanged tang-style insert?

Installation requires drilling to the specified STI tap size (3/4"-10), tapping the hole with the correct STI tap, then using a tang-style installation tool to wind the insert into the thread. After installation, break off the tang with a punch. 3G Electric provides sourcing support for this HELI-COIL insert and related tooling.

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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