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HELI-COIL Screw-Locking Tanged Helical Insert, 3/8"-16, Plain, 100 PK - Screw-Locking Tanged Helical Inserts
HELI-COILScrew-Locking Tanged Helical Inserts

HELI-COIL Screw-Locking Tanged Helical Insert, 3/8"-16, Plain, 100 PK

The HELI-COIL Helical Insert is a tanged tang style, screw-locking insert in a plain finish, supplied in a 100-pack. It features a 3/8"-16 coarse right-hand thread, is made from 18-8 material grade, and offers a…

SKU 3G-OTH-529010

Also listed as: A35856CN562 · A3585 6CN562

Brand
HELI-COIL
Item
Screw-Locking Tanged Helical Insert, 3/8"-16, Plain, 100 PK
Category
Screw-Locking Tanged Helical Inserts
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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
A3585-6CN562
Type
Screw-Locking, Plain, 100 PK
Tensile Strength
200,000 to 250,000 psi
Finish Type
Plain
Thread Size
3/8"-16
Thread Type
Coarse
STI Tap Size
3/8"-16
Thread Direction
Right Hand
Compatible Material
Metal
Material Grade/Class
18-8
System of Measurement
Inch

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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-pack. It features a 3/8"-16 coarse right-hand thread, is made from 18-8 material grade, and offers a tensile strength of 200,000 to 250,000 psi. Designed for metal compatibility, this inch-system insert requires an STI tap size of 3/8"-16 (MPN A3585-6CN562).

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 provides a strong, wear-resistant 3/8"-16 coarse thread. It is commonly used in automotive, aerospace, and industrial applications to restore damaged threads or improve thread strength in softer materials.

What are the specifications of the HELI-COIL A3585-6CN562 insert?

This HELI-COIL insert has a 3/8"-16 coarse right-hand thread, is made from 18-8 stainless steel, and offers a tensile strength of 200,000 to 250,000 psi. It is a screw-locking, tanged tang style in a plain finish, supplied in a 100-pack. It requires an STI tap size of 3/8"-16 and is compatible with metal substrates.

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, customs clearance, and delivery to your facility. Contact us to order the A3585-6CN562 100-pack or other HELI-COIL thread repair inserts for your application.

How to install a HELI-COIL tanged helical insert?

To install a HELI-COIL tanged insert, first drill out the damaged thread to the specified size, then tap the hole using the correct STI tap (3/8"-16 for this insert). Use a HELI-COIL installation tool to wind the insert into the tapped hole until it is slightly below the surface. Finally, remove the tang with a punch or break-off tool.

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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