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HELI-COIL #10-24 Screw-Locking Tanged Helical Insert - Screw-Locking Tanged Helical Inserts
HELI-COILScrew-Locking Tanged Helical Inserts

HELI-COIL #10-24 Screw-Locking Tanged Helical Insert

The HELI-COIL Helical Insert is a tanged tang style screw-locking insert for #10-24 coarse threads, supplied in a 1,000-piece pack. Made from 18-8 material with a dry film lubricant finish, it offers a tensile…

SKU 3G-OTH-529097

Also listed as: 35853CNW285S · 3585 3CNW285S

Brand
HELI-COIL
Item
#10-24 Screw-Locking Tanged Helical Insert
Part Number
3585-3CNW285S
Category
Screw-Locking Tanged Helical Inserts
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

HELI-COIL
Manufacturer Part Number
3585-3CNW285S
Type
Screw-Locking, #10-24 Thread Size, 1,000 PK
Tensile Strength
200,000 to 250,000 psi
Finish Type
Dry Film Lubricant
Thread Type
Coarse
STI Tap Size
#10-24
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 for #10-24 coarse threads, supplied in a 1,000-piece pack. Made from 18-8 material with a dry film lubricant finish, it offers a tensile strength of 200,000 to 250,000 psi and is compatible with metal substrates. This inch-system insert uses a right-hand thread direction and requires an STI tap size of #10-24.

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 for #10-24 coarse threads provides a strong, wear-resistant thread in aluminum, cast iron, or steel, preventing stripping and extending component life.

What are the specifications of the HELI-COIL 3585-3CNW285S insert?

This HELI-COIL insert has a #10-24 coarse thread, right-hand direction, and requires an STI tap size of #10-24. Made from 18-8 material with dry film lubricant, it offers 200,000 to 250,000 psi tensile strength. Supplied in a 1,000-piece pack for inch-system 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 and customs clearance to deliver genuine HELI-COIL products like the 3585-3CNW285S screw-locking insert to your facility, regardless of location.

How to install a tanged tang style helical insert?

To install a tanged tang style helical insert, drill to the specified size, tap the hole with the correct STI tap (here #10-24), then use a tang-style installation tool to wind the insert into the thread. After installation, break off the tang with a punch for a permanent, locking thread.

Used in

Common applications for HELI-COIL
Aerospace — Tangless screw-locking HELI-COIL inserts in 18-8 stainless steel for vibration-resistant threaded joints in airframe and engine components.
Automotive — Free-running tanged HELI-COIL inserts in metric sizes for repairing stripped threads in aluminum engine blocks and transmission housings.
Industrial machinery — STI taps and prewinder installation tools for on-site repair of threaded holes in cast iron and steel machine frames.
Oil and gas — Nitronic 60 HELI-COIL inserts for galling resistance in stainless steel valve bodies and pump housings exposed to corrosive media.
MRO and maintenance — HELI-COIL thread repair kits containing inserts, drill, tap, and installation tool for restoring damaged threads without replacing the parent component.
Electrical equipment — Screw-locking tangless HELI-COIL inserts for securing fasteners in metal enclosures and control panels subject to vibration.
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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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