We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

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

The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert for #4-40 coarse threads, supplied in a 100-piece pack. Made from Nitronic 60 with a tensile strength of 200,000 psi, it is compatible with…

SKU 3G-OTH-529009

Also listed as: A358504EN112 · A3585 04EN112

Brand
HELI-COIL
Item
Screw-Locking Tanged Helical Insert
Part Number
A3585-04EN112
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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

HELI-COIL
Manufacturer Part Number
A3585-04EN112
Type
Screw-Locking, #4-40 Thread Size, Plain, Plain, 100 PK
Tensile Strength
200,000 psi
Finish Type
Plain
Thread Type
Coarse
STI Tap Size
#4-40
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
Nitronic 60
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

The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert for #4-40 coarse threads, supplied in a 100-piece pack. Made from Nitronic 60 with a tensile strength of 200,000 psi, it is compatible with metal substrates and uses a right-hand thread direction. 3G Electric interprets this demand and sources the genuine HELI-COIL part (MPN A3585-04EN112) across our 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 tang-style insert for #4-40 coarse threads provides a strong, wear-resistant thread in aluminum, cast iron, or steel. It is ideal for aerospace, automotive, and industrial maintenance applications where thread integrity is critical.

What are the specifications of the HELI-COIL A3585-04EN112 insert?

This HELI-COIL insert has a #4-40 thread size, coarse thread type, and right-hand direction. It is made from Nitronic 60 with a tensile strength of 200,000 psi. The insert is plain finish, screw-locking, and comes in a 100-piece pack. It requires an STI tap size of #4-40 and is compatible with metal substrates.

Where to buy HELI-COIL helical inserts worldwide?

3G Electric supplies genuine HELI-COIL helical inserts, including the A3585-04EN112, to customers worldwide. We handle full logistics, customs clearance, and delivery for global orders. As a sourcing partner across 14 industrial departments, we interpret your demand and provide the correct HELI-COIL part for your application.

How to install a HELI-COIL tanged helical insert?

To install a HELI-COIL tanged insert, drill out the damaged thread to the specified size, tap the hole using the correct STI tap (here #4-40), then use a tang-style installation tool to wind the insert into the tapped hole. After installation, break off the tang with a punch. Always follow the manufacturer's instructions for best results.

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