We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 5/16"-18 Thread Size, Plain - Free-Running Tanged Helical Inserts
HELI-COILFree-Running Tanged Helical Inserts

HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 5/16"-18 Thread Size, Plain

The HELI-COIL Helical Insert is a free-running, tanged tang style insert with a 5/16"-18 thread size, right-hand orientation, and coarse thread pitch. Made from 18-8 stainless steel metal, it offers a tensile…

SKU 3G-OTH-598926

Brand
HELI-COIL
Item
Helical Insert: Tanged Tang Style, Free-Running, 5/16"-18 Thread Size, Plain
Category
Free-Running Tanged Helical Inserts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

HELI-COIL
Manufacturer Part Number
1185-5CN469S
Type
Free-Running, Plain, 500 PK
Thread Size
5/16"-18
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The HELI-COIL Helical Insert is a free-running, tanged tang style insert with a 5/16"-18 thread size, right-hand orientation, and coarse thread pitch. Made from 18-8 stainless steel metal, it offers a tensile strength range of 200,000 to 250,000 psi and comes in a plain finish, 500-piece pack (SKU 4EXC4, MPN 1185-5CN469S).

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 free-running, tanged tang style insert with 5/16"-18 thread size is used in automotive, aerospace, and industrial applications to restore stripped threads or strengthen soft materials.

What are the specifications of the HELI-COIL 1185-5CN469S insert?

This HELI-COIL insert has a 5/16"-18 coarse thread, right-hand orientation, and is made from 18-8 stainless steel with tensile strength of 200,000 to 250,000 psi. It comes in a plain finish, 500-piece pack (SKU 4EXC4, MPN 1185-5CN469S).

Where to buy HELI-COIL helical inserts in 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 5/16"-18 free-running tanged insert (MPN 1185-5CN469S) to your facility. Contact us for availability and lead time.

How to install a HELI-COIL tanged helical insert?

To install a HELI-COIL tanged insert, drill out the damaged thread to the specified tap drill size, tap the hole with the correct HELI-COIL tap, then use the installation tool to wind the insert into the hole. Break off the tang after installation for a permanent thread repair.

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 free-running tanged helical inserts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from HELI-COIL

View all HELI-COIL parts →
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M8-1.25 Thread Size, Plain, Plain, 100 PK (MPN A1084-8EN160). Key specifications — attr798694: Nitronic 60; attr798710: Right Hand; attr798707: M8-1.25; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 8.3mm; attr798708: 200,000 psi.
HELI-COIL
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M8-1.25 Thread Size, Plain, Plain, 100 PK (MPN A1084-8EN160). Key specifications — attr798694: Nitronic 60; attr798710: Right Hand; attr798707: M8-1.25; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 8.3mm; attr798708: 200,000 psi.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #8-32 Thread Size, Plain, Plain, 100 PK (MPN A1185-2EN492). Key specifications — attr798694: Nitronic 60; attr798710: Right Hand; attr798707: #8-32; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 psi; attr798713: Coarse.
HELI-COIL
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #8-32 Thread Size, Plain, Plain, 100 PK (MPN A1185-2EN492). Key specifications — attr798694: Nitronic 60; attr798710: Right Hand; attr798707: #8-32; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 psi; attr798713: Coarse.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M4-0.70 Thread Size, Plain, 1,000 PK (MPN 1084-4CN080S). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M4-0.70; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 4.2mm; attr798708: 200,000 to 250,000 psi.
HELI-COIL
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M4-0.70 Thread Size, Plain, 1,000 PK (MPN 1084-4CN080S). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M4-0.70; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 4.2mm; attr798708: 200,000 to 250,000 psi.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1 1/2"-12 Thread Size, Stainless Steel (MPN K1191-24). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 1-1/2"-12; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Fine.
HELI-COIL
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1 1/2"-12 Thread Size, Stainless Steel (MPN K1191-24). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 1-1/2"-12; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Fine.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M8-1.25 Thread Size, Plain, Plain, 500 PK (MPN 1084-8CN160S). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M8-1.25; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 8.3mm; attr798708: 200,000 to 250,000 psi.
HELI-COIL
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M8-1.25 Thread Size, Plain, Plain, 500 PK (MPN 1084-8CN160S). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M8-1.25; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 8.3mm; attr798708: 200,000 to 250,000 psi.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #10-32 Thread Size, Plain, Plain, 100 PK (MPN A1191-3CN190). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #10-32; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Fine.
HELI-COIL
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #10-32 Thread Size, Plain, Plain, 100 PK (MPN A1191-3CN190). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #10-32; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Fine.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 5/16"-24 Thread Size, Plain, 500 PK (MPN 1191-5CN469S). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 5/16"-24; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Fine.
HELI-COIL
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 5/16"-24 Thread Size, Plain, 500 PK (MPN 1191-5CN469S). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 5/16"-24; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Fine.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M5-0.80 Thread Size, Plain, 1,000 PK (MPN 1084-5CN075S). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M5-0.80; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 5.2mm; attr798708: 200,000 to 250,000 psi.
HELI-COIL
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M5-0.80 Thread Size, Plain, 1,000 PK (MPN 1084-5CN075S). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M5-0.80; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 5.2mm; attr798708: 200,000 to 250,000 psi.