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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 7/8"-9 Thread Size - Free-Running Tanged Helical Inserts
HELI-COILFree-Running Tanged Helical Inserts

HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 7/8"-9 Thread Size

The HELI-COIL Helical Insert is a tanged tang-style, free-running insert with a 7/8"-9 thread size, 1 5/16 in overall length, and 18-8 metal construction. It features a right-hand, coarse thread and a tensile…

SKU 3G-OTH-599128

Brand
HELI-COIL
Item
Helical Insert: Tanged Tang Style, Free-Running, 7/8"-9 Thread Size
Category
Free-Running Tanged Helical Inserts
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Technical Specifications

HELI-COIL
Manufacturer Part Number
K1185-14
Type
Free-Running
Overall Lg
1 5/16 in
Thread Size
7/8"-9
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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, free-running insert with a 7/8"-9 thread size, 1 5/16 in overall length, and 18-8 metal construction. It features a right-hand, coarse thread and a tensile strength range of 200,000 to 250,000 psi (MPN K1185-14).

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 7/8"-9 coarse thread restores strength in applications like engine blocks, industrial machinery, and heavy equipment, providing a durable 18-8 stainless steel thread.

What are the specifications of the HELI-COIL K1185-14 insert?

The HELI-COIL K1185-14 is a free-running tanged tang-style helical insert with 7/8"-9 thread size, 1 5/16 in overall length, 18-8 metal construction, right-hand coarse thread, and tensile strength of 200,000 to 250,000 psi. It is made by HELI-COIL and comes plain finish.

Where to buy HELI-COIL helical inserts worldwide?

3G Electric supplies HELI-COIL helical inserts like the K1185-14 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this free-running tanged tang-style insert.

How to install a tanged tang-style helical insert?

To install a tanged tang-style helical insert like the HELI-COIL K1185-14, drill out the damaged thread, tap the hole to the specified size, then use a tang installation tool to wind the insert into place. After installation, break off the tang with a punch. Always follow the manufacturer's instructions for torque and depth.

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.
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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.