We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #4-40 Thread Size, Plain - Screw-Locking Tangless Helical Inserts
HELI-COILScrew-Locking Tangless Helical Inserts

HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #4-40 Thread Size, Plain

The HELI-COIL Helical Insert (Tangless Tang Style) is a screw-locking, #4-40 thread size, plain finish insert made from 18-8 material, with a tensile strength of 200,000 to 250,000 psi. It features a right-hand…

SKU 3G-OTH-532448

Brand
HELI-COIL
Item
Helical Insert: Tangless Tang Style, Screw-Locking, #4-40 Thread Size, Plain
Category
Screw-Locking Tangless Helical Inserts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

HELI-COIL
Manufacturer Part Number
AT3585-04C112
Type
Screw-Locking, #4-40 Thread Size, Plain, 100 PK
Tensile Strength
200,000 to 250,000 psi
Finish Type
Plain
Thread Type
Coarse
STI Tap Size
#4-40
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
18-8
System of Measurement
Inch
View Full Spec Sheet

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 (Tangless Tang Style) is a screw-locking, #4-40 thread size, plain finish insert made from 18-8 material, with a tensile strength of 200,000 to 250,000 psi. It features a right-hand coarse thread, is compatible with metal, and comes in a 100-piece pack (MPN AT3585-04C112).

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a HELI-COIL Tangless helical insert used for?

A HELI-COIL Tangless helical insert repairs or reinforces threads in metal components. The screw-locking design resists vibration loosening, while the tangless style eliminates the need for tang removal after installation. It is commonly used in automotive, aerospace, and industrial maintenance applications.

What are the specifications of the HELI-COIL AT3585-04C112 insert?

The HELI-COIL AT3585-04C112 is a screw-locking, tangless helical insert with #4-40 thread size, plain finish, and 18-8 material grade. It has a tensile strength of 200,000 to 250,000 psi, right-hand coarse thread, and is compatible with metal. Supplied 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 genuine HELI-COIL parts like the AT3585-04C112 to your facility. Contact us for pricing and lead time on your order.

How to install a tangless helical insert?

To install a tangless helical insert, drill the hole to the specified STI tap size (#4-40 for this insert), tap the threads, then use a tangless installation tool to wind the insert into place. No tang removal step is needed. Always follow the manufacturer's instructions for proper seating and locking.

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 tangless 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 →
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #10-32 Thread Size, 100 PK (MPN AT3591-3CW380). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #10-32; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Fine.
HELI-COIL
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #10-32 Thread Size, 100 PK (MPN AT3591-3CW380). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #10-32; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Fine.
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, 1/4"-20 Thread Size, Plain, 100 PK (MPN AT3585-06C276). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #6-32; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.
HELI-COIL
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, 1/4"-20 Thread Size, Plain, 100 PK (MPN AT3585-06C276). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #6-32; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #6-32 Thread Size, 100 PK (MPN AT3585-06CW138). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #6-32; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.
HELI-COIL
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #6-32 Thread Size, 100 PK (MPN AT3585-06CW138). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #6-32; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #4-40 Thread Size, Plain, 1,000 PK (MPN T3585-04C112S). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #4-40; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.
HELI-COIL
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #4-40 Thread Size, Plain, 1,000 PK (MPN T3585-04C112S). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #4-40; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, 1/4"-28 Thread Size, Plain, 100 PK (MPN AT3591-4C375). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: 1/4"-28; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Fine.
HELI-COIL
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, 1/4"-28 Thread Size, Plain, 100 PK (MPN AT3591-4C375). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: 1/4"-28; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Fine.
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #2-56 Thread Size, 100 PK (MPN AT3585-02CW086). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #2-56; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.
HELI-COIL
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #2-56 Thread Size, 100 PK (MPN AT3585-02CW086). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #2-56; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #2-56 Thread Size, Plain, 100 PK (MPN AT3585-02C172). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #2-56; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.
HELI-COIL
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #2-56 Thread Size, Plain, 100 PK (MPN AT3585-02C172). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #2-56; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #6-32 Thread Size, Plain, 1,000 PK (MPN T3585-06C276S). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #6-32; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.
HELI-COIL
HELI-COIL Helical Insert: Tangless Tang Style, Screw-Locking, #6-32 Thread Size, Plain, 1,000 PK (MPN T3585-06C276S). Key specifications — Material Grade/Class: 18-8; Thread Direction: Right Hand; STI Tap Size: #6-32; Compatible Material: Metal; System of Measurement: Inch; Brand: HELI-COIL; Tensile Strength: 200,000 to 250,000 psi; Thread Type: Coarse.