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

HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 1/4"-20 Thread Size, Plain - Screw-Locking Tanged Helical Inserts
HELI-COILScrew-Locking Tanged Helical Inserts

HELI-COIL Helical Insert: Tanged Tang Style, Screw-Locking, 1/4"-20 Thread Size, Plain

The HELI-COIL Helical Insert is a tanged tang style, screw-locking insert in a plain finish, supplied in a 100-piece pack. It features a 1/4"-20 coarse thread size, right-hand thread direction, and is made from 18-8…

SKU 3G-OTH-528969

Also listed as: A35854CN375 · A3585 4CN375

Brand
HELI-COIL
Item
Helical Insert: Tanged Tang Style, Screw-Locking, 1/4"-20 Thread Size, Plain
Category
Screw-Locking Tanged Helical Inserts
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

HELI-COIL
Manufacturer Part Number
A3585-4CN375
Type
Screw-Locking, Plain, 100 PK
Tensile Strength
200,000 to 250,000 psi
Finish Type
Plain
Thread Size
1/4"-20
Thread Type
Coarse
STI Tap Size
1/4"-20
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 in a plain finish, supplied in a 100-piece pack. It features a 1/4"-20 coarse thread size, right-hand thread direction, and is made from 18-8 material grade/class with a tensile strength of 200,000 to 250,000 psi. This inch-system insert is compatible with metal and uses an STI tap size of 1/4"-20 (MPN A3585-4CN375).

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 helical insert used for?

A HELI-COIL helical insert repairs or reinforces threads in metal. This screw-locking, tanged tang style insert with 1/4"-20 coarse thread provides strong, wear-resistant threads in aluminum, cast iron, or steel, preventing thread stripping under high loads.

What are the specifications of the HELI-COIL A3585-4CN375 insert?

This HELI-COIL insert has a 1/4"-20 thread size, coarse thread type, right-hand direction, and 18-8 material grade with tensile strength of 200,000 to 250,000 psi. It uses an STI tap size of 1/4"-20, is plain finish, and comes in a 100-piece pack.

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 this 1/4"-20 screw-locking insert to your facility, ensuring you get the right thread repair solution for metal components.

How to install a HELI-COIL tanged helical insert?

Drill out the damaged thread to the specified STI tap size (1/4"-20 for this insert), tap the hole with an STI tap, then use a HELI-COIL installation tool to wind the insert into the hole. Break off the tang after installation. 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

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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