Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
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, #2-56 Thread Size, 100 PK (MPN A3585-02CNW129). This 18-8 stainless steel insert features a Dry Film Lubricant finish, right-hand coarse threads, and a…

SKU 3G-OTH-528915

Also listed as: A358502CNW129 · A3585 02CNW129

Brand
HELI-COIL
Item
Screw-Locking Tanged Helical Insert
Part Number
A3585-02CNW129
Category
Screw-Locking Tanged Helical Inserts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
A3585-02CNW129
Type
Screw-Locking, #2-56 Thread Size, 100 PK
Tensile Strength
200,000 to 250,000 psi
Finish Type
Dry Film Lubricant
Thread Type
Coarse
STI Tap Size
#2-56
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
18-8
System of Measurement
Inch

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, #2-56 Thread Size, 100 PK (MPN A3585-02CNW129). This 18-8 stainless steel insert features a Dry Film Lubricant finish, right-hand coarse threads, and a tensile strength of 200,000 to 250,000 psi. Designed for metal substrates, it uses a #2-56 STI tap size and is supplied in inch-system packaging.

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 prevents loosening under vibration, making it ideal for aerospace, automotive, and industrial maintenance applications where thread integrity is critical.

What are the specifications of the HELI-COIL A3585-02CNW129 insert?

This HELI-COIL insert has a #2-56 thread size, coarse right-hand threads, and an 18-8 stainless steel construction with Dry Film Lubricant finish. It offers a tensile strength of 200,000 to 250,000 psi and requires a #2-56 STI tap. Supplied in a 100-pack, inch-system packaging.

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 HELI-COIL products like the A3585-02CNW129 to your facility, regardless of location.

How to install a HELI-COIL screw-locking insert?

To install a HELI-COIL screw-locking insert, drill out the damaged thread to the specified size, tap the hole using the correct STI tap (here #2-56), then wind the insert into the hole using a tang installation tool. Break off the tang after installation for a secure, vibration-resistant thread.

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
Not sure this is the right part? Photo-identify it

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from HELI-COIL

View all HELI-COIL parts
Screw-locking tanged helical insert for repairing or reinforcing tapped threads in metal. Made of 18-8 stainless steel with dry film lubricant finish. #2-56 coarse thread, right-hand direction. Tensile strength 200,000 to 250,000 psi. Pack of 100
HELI-COIL
Screw-locking tanged helical insert for repairing or reinforcing tapped threads in metal. Made of 18-8 stainless steel with dry film lubricant finish. #2-56 coarse thread, right-hand direction. Tensile strength 200,000 to 250,000 psi. Pack of 100
Screw-locking tanged helical insert for repairing or strengthening threaded holes in metal. Features 18-8 stainless steel construction with 1/4"-28 fine thread and tensile strength of 200,000 to 250,000 psi. Plain finish. Pack of 100
HELI-COIL
Screw-locking tanged helical insert for repairing or strengthening threaded holes in metal. Features 18-8 stainless steel construction with 1/4"-28 fine thread and tensile strength of 200,000 to 250,000 psi. Plain finish. Pack of 100

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first