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3G Electric
HELI-COIL Free-Running Tanged Helical Insert, 1/4"-20, Plain, 1000 PK - Free-Running Tanged Helical Inserts
HELI-COILFree-Running Tanged Helical Inserts

HELI-COIL Free-Running Tanged Helical Insert, 1/4"-20, Plain, 1000 PK

HELI-COIL Helical Insert: Tanged Tang Style, a free-running tanged helical insert with 1/4"-20 thread size, plain finish, and 18-8 metal construction. Supplied in a 1,000-piece pack, it features right-hand, coarse…

SKU 3G-OTH-598913

Also listed as: 11854CN375S · 1185 4CN375S

Brand
HELI-COIL
Item
Free-Running Tanged Helical Insert, 1/4"-20, Plain, 1000 PK
Part Number
1185-4CN375S
Category
Free-Running 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
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

HELI-COIL
Manufacturer Part Number
1185-4CN375S
Type
Free-Running, Plain, 1,000 PK
Thread Size
1/4"-20

Technical Documents

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HELI-COIL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

HELI-COIL Helical Insert: Tanged Tang Style, a free-running tanged helical insert with 1/4"-20 thread size, plain finish, and 18-8 metal construction. Supplied in a 1,000-piece pack, it features right-hand, coarse threads and a tensile strength range 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 strengthens threads in metal. This tanged, free-running insert with 1/4"-20 coarse threads provides a durable 18-8 stainless steel thread for applications requiring tensile strength up to 250,000 psi. 3G Electric supplies these inserts across 14 industrial departments worldwide.

What are the specifications of HELI-COIL 1185-4CN375S?

This HELI-COIL insert has a 1/4"-20 thread size, right-hand coarse threads, plain finish, and 18-8 metal construction. It offers a tensile strength range of 200,000 to 250,000 psi and comes in a 1,000-piece pack. 3G Electric sources genuine HELI-COIL inserts for global delivery.

Where to buy HELI-COIL helical inserts worldwide?

3G Electric supplies HELI-COIL helical inserts worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we interpret demand and deliver genuine parts like the 1185-4CN375S across 14 departments. Contact us for availability and delivery to your location.

How to install a tanged helical insert?

Install a tanged HELI-COIL insert by drilling to the specified tap drill size, tapping the hole with the correct tap, then using a tang installation tool to wind the insert into the thread. After installation, break off the tang with a punch. 3G Electric provides genuine inserts for reliable thread repair.

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 free-running 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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