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3G Electric
HELI-COIL Screw-Locking Tanged Helical Insert, 1/4"-20, Plain, 18-8, 1,000 PK - Screw-Locking Tanged Helical Inserts
HELI-COILScrew-Locking Tanged Helical Inserts

HELI-COIL Screw-Locking Tanged Helical Insert, 1/4"-20, Plain, 18-8, 1,000 PK

The HELI-COIL Helical Insert is a tanged tang-style, screw-locking insert for metal, supplied in a 1,000-pack. It features a 1/4"-20 coarse thread, right-hand direction, plain finish, and 18-8 material with a tensile…

SKU 3G-OTH-529106

Also listed as: 35854CN500S · 3585 4CN500S

Brand
HELI-COIL
Item
Screw-Locking Tanged Helical Insert, 1/4"-20, Plain, 18-8, 1,000 PK
Part Number
3585-4CN500S
Category
Screw-Locking Tanged Helical Inserts
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

HELI-COIL
Manufacturer Part Number
3585-4CN500S
Type
Screw-Locking, Plain, 1,000 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

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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 metal, supplied in a 1,000-pack. It features a 1/4"-20 coarse thread, right-hand direction, plain finish, and 18-8 material with a tensile strength of 200,000 to 250,000 psi.

Frequently Asked Questions

What is a HELI-COIL helical insert used for?

A HELI-COIL helical insert repairs or reinforces tapped threads in metal. It provides a durable, screw-locking thread for fasteners in applications like automotive, aerospace, and industrial machinery. 3G Electric supplies this genuine HELI-COIL insert across 14 industrial departments, with specialist depth in combustion, pumps and controls.

What are the specifications of the HELI-COIL 3585-4CN500S insert?

This HELI-COIL insert has a 1/4"-20 coarse thread, right-hand direction, plain finish, and is made of 18-8 material with a tensile strength of 200,000 to 250,000 psi. It is a screw-locking, tanged tang-style insert for metal, supplied in a 1,000-pack. 3G Electric sources and delivers this genuine part worldwide.

Where to buy HELI-COIL helical inserts in worldwide?

3G Electric supplies genuine HELI-COIL helical inserts worldwide. We interpret your demand, source the correct part, and handle full logistics and customs clearance for delivery to your location. Contact us for availability and lead time on the 3585-4CN500S or other HELI-COIL inserts.

How to install a HELI-COIL tanged helical insert?

To install a HELI-COIL tanged insert, drill out the damaged thread to the specified STI tap size (1/4"-20), tap the hole, then use a HELI-COIL installation tool to wind the insert into place. Break off the tang after installation. 3G Electric provides genuine HELI-COIL inserts and can advise on proper tooling.

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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