Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #4-40 Thread Size, Plain - Free-Running Tanged Helical Inserts
HELI-COILFree-Running Tanged Helical Inserts

HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #4-40 Thread Size, Plain

HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #4-40 Thread Size, Plain, 100 PK (MPN A1185-04CN112). These 18-8 stainless steel inserts feature a right-hand, coarse thread with a tensile strength of…

SKU 3G-OTH-599188

Brand
HELI-COIL
Item
Helical Insert: Tanged Tang Style, Free-Running, #4-40 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
A1185-04CN112
Type
Free-Running, #4-40 Thread Size, Plain, Plain, 100 PK
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

HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #4-40 Thread Size, Plain, 100 PK (MPN A1185-04CN112). These 18-8 stainless steel inserts feature a right-hand, coarse thread with a tensile strength of 200,000 to 250,000 psi. 3G Electric sources this OEM product across 14 industrial departments, with specialist expertise in fastening and assembly solutions.

Frequently Asked Questions

What is a HELI-COIL helical insert used for?

A HELI-COIL helical insert repairs or reinforces threads in metal. This free-running tanged style, #4-40 thread size, 18-8 stainless steel, is used in automotive, aerospace, and industrial assembly to restore stripped threads or strengthen soft materials. 3G Electric supplies this OEM product across 14 industrial departments.

What are the specifications of the HELI-COIL A1185-04CN112?

This HELI-COIL insert is free-running, tanged tang style, #4-40 thread size, coarse, right-hand, plain finish, 18-8 stainless steel, tensile strength 200,000 to 250,000 psi, inch system, 100 per pack. 3G Electric sources this OEM part for fastening and assembly solutions.

Where to buy HELI-COIL helical inserts worldwide?

3G Electric supplies HELI-COIL helical inserts worldwide, handling logistics, customs, and delivery. As a global industrial solutions provider, we source this OEM product across 14 departments. Contact us for availability and lead time on the A1185-04CN112 or other thread sizes.

How to install a HELI-COIL tanged helical insert?

Install a HELI-COIL tanged insert by drilling to specified size, tapping with a HELI-COIL tap, then using a tang installation tool to wind the insert into the hole. Break off the tang after installation. 3G Electric supplies this OEM product and can advise on tooling for your application.

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, 1/2"-13 Thread Size, Plain, Plain, 100 PK (MPN A1185-8CN1000). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 1/2"-13; 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, 1/2"-13 Thread Size, Plain, Plain, 100 PK (MPN A1185-8CN1000). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 1/2"-13; 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, #10-24 Thread Size, Plain, 1,000 PK (MPN 1185-3CN190S). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #10-24; 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, #10-24 Thread Size, Plain, 1,000 PK (MPN 1185-3CN190S). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #10-24; 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, M4-0.70 Thread Size, Plain, Plain, 100 PK (MPN A1084-4CN060). 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, Plain, 100 PK (MPN A1084-4CN060). 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, #6-32 Thread Size, Stainless Steel, 12 PK (MPN R1185-06). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #6-32; 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, #6-32 Thread Size, Stainless Steel, 12 PK (MPN R1185-06). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: #6-32; 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, M2-0.40 Thread Size, Plain, Plain, 100 PK (MPN A1084-2CN050). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M2-0.4.00; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 2.1mm; attr798708: 200,000 to 250,000 psi.
HELI-COIL
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M2-0.40 Thread Size, Plain, Plain, 100 PK (MPN A1084-2CN050). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M2-0.4.00; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 2.1mm; attr798708: 200,000 to 250,000 psi.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M10-1.00 Thread Size, Plain, Plain, 12 PK (MPN R4255-10). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M10-1.00; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Fine.
HELI-COIL
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M10-1.00 Thread Size, Plain, Plain, 12 PK (MPN R4255-10). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M10-1.00; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Fine.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M6-1.00 Thread Size, 100 PK (MPN A1084-6CNW120). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M6-1.00; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 6.25mm; attr798708: 200,000 to 250,000 psi.
HELI-COIL
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M6-1.00 Thread Size, 100 PK (MPN A1084-6CNW120). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M6-1.00; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 6.25mm; attr798708: 200,000 to 250,000 psi.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1 1/8"-12 Thread Size, Stainless Steel (MPN K1191-18). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 1-1/8"-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 1/8"-12 Thread Size, Stainless Steel (MPN K1191-18). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 1-1/8"-12; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Fine.