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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1 1/2"-6 Thread Size - Free-Running Tanged Helical Inserts
HELI-COILFree-Running Tanged Helical Inserts

HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1 1/2"-6 Thread Size

The HELI-COIL Helical Insert (MPN K1185-24) is a tanged tang style, free-running insert with a 1 1/2"-6 thread size, 2 1/4 in overall length, and right-hand coarse threads. Made from 18-8 metal, it offers a tensile…

SKU 3G-OTH-599248

Brand
HELI-COIL
Item
Helical Insert: Tanged Tang Style, Free-Running, 1 1/2"-6 Thread Size
Category
Free-Running Tanged Helical Inserts
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Technical Specifications

HELI-COIL
Manufacturer Part Number
K1185-24
Type
Free-Running
Overall Lg
2 1/4 in
Thread Size
1 1/2"-6
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HELI-COIL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HELI-COIL Helical Insert (MPN K1185-24) is a tanged tang style, free-running insert with a 1 1/2"-6 thread size, 2 1/4 in overall length, and right-hand coarse threads. Made from 18-8 metal, it offers a tensile strength of 200,000 to 250,000 psi. 3G Electric interprets demand and delivers this genuine industrial insert across 14 departments — with specialist depth in combustion, pumps and controls as an authorised distributor.

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, 1 1/2"-6 coarse thread, 2 1/4 in overall length, 18-8 metal insert restores strength in industrial equipment across machining, power transmission, and combustion systems. 3G Electric supplies and delivers this genuine HELI-COIL insert worldwide.

What are the specifications of the HELI-COIL K1185-24 insert?

The HELI-COIL K1185-24 is a free-running tanged tang helical insert with a 1 1/2"-6 thread size, 2 1/4 in overall length, right-hand coarse threads, made from 18-8 metal, and a tensile strength of 200,000 to 250,000 psi. It is a plain finish inch-series insert from HELI-COIL.

Where to buy HELI-COIL helical inserts worldwide?

3G Electric sources and delivers genuine HELI-COIL helical inserts, including the K1185-24, to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance. Contact 3G Electric for availability and delivery to your location.

How to install a HELI-COIL tanged tang insert?

To install a HELI-COIL tanged tang insert, drill the hole to the specified tap drill size, tap threads with the correct HELI-COIL tap, then use a tang installation tool to wind the insert into the tapped hole. After installation, break off the tang with a punch. 3G Electric supplies the insert and can advise on tooling.

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.

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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1/2"-14 Thread Size, Plain, Plain, 5 PK (MPN K327-8). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 1/2"-14; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: ANPT.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1/2"-14 Thread Size, Plain, Plain, 5 PK (MPN K327-8). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 1/2"-14; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: ANPT.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #10-32 Thread Size, Plain, Plain, 100 PK (MPN A1191-3CN380). 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.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #10-32 Thread Size, Plain, Plain, 100 PK (MPN A1191-3CN380). 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, #4-40 Thread Size, 100 PK (MPN A1185-04CNW224). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #4-40; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Coarse.
HELI-COIL
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #4-40 Thread Size, 100 PK (MPN A1185-04CNW224). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #4-40; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Coarse.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1/4"-28 Thread Size, Plain, Plain, 100 PK (MPN A1191-4CN375). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 1/4"-28; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Fine.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1/4"-28 Thread Size, Plain, Plain, 100 PK (MPN A1191-4CN375). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 1/4"-28; 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, #5-40 Thread Size, Stainless Steel, 12 PK (MPN R1185-05). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #5-40; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Coarse.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #5-40 Thread Size, Stainless Steel, 12 PK (MPN R1185-05). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #5-40; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Coarse.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M18-2.50 Thread Size, Plain, Plain, 6 PK (MPN R1084-18). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M18-2.50; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Coarse.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M18-2.50 Thread Size, Plain, Plain, 6 PK (MPN R1084-18). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M18-2.50; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Coarse.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1/4"-20 Thread Size, Plain, Plain, 100 PK (MPN A1185-4CN500). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 1/4"-20; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Coarse.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1/4"-20 Thread Size, Plain, Plain, 100 PK (MPN A1185-4CN500). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 1/4"-20; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Coarse.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 5/8"-11 Thread Size, Plain, Plain, 6 PK (MPN R1185-10). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 5/8"-11; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Coarse.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 5/8"-11 Thread Size, Plain, Plain, 6 PK (MPN R1185-10). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 5/8"-11; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Coarse.