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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 5/16"-24 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"-24 Thread Size, Plain

HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, Plain, 100 PK (MPN A1191-5CN625). This 18-8 metal insert has a 5/16"-24 thread size, fine thread, right-hand orientation, and a tensile strength range of…

SKU 3G-OTH-599252

Brand
HELI-COIL
Item
Helical Insert: Tanged Tang Style, Free-Running, 5/16"-24 Thread Size, Plain
Category
Free-Running Tanged Helical Inserts
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Technical Specifications

HELI-COIL
Manufacturer Part Number
A1191-5CN625
Type
Free-Running, Plain, 100 PK
Thread Size
5/16"-24
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HELI-COIL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, Plain, 100 PK (MPN A1191-5CN625). This 18-8 metal insert has a 5/16"-24 thread size, fine thread, right-hand orientation, and a tensile strength range of 200,000 to 250,000 psi. 3G Electric interprets demand and delivers this genuine industrial fastener across 14 departments — with specialist depth in combustion, pumps and controls as an authorised distributor.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a HELI-COIL helical insert used for?

A HELI-COIL helical insert repairs or reinforces threads in metal components, providing a durable 18-8 stainless steel thread with tensile strength up to 250,000 psi. It is commonly used in automotive, aerospace, and industrial maintenance to restore stripped threads or improve thread wear resistance.

What are the specifications of the HELI-COIL A1191-5CN625 insert?

This HELI-COIL insert has a 5/16"-24 fine thread, right-hand orientation, and is made of 18-8 metal. It is a free-running, plain, tanged tang style insert with a tensile strength range of 200,000 to 250,000 psi. The pack contains 100 pieces.

Where to buy HELI-COIL helical inserts in worldwide?

3G Electric supplies HELI-COIL helical inserts worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine fasteners like the A1191-5CN625 and deliver to your location. Contact us for availability and lead time.

How to install a HELI-COIL tanged tang insert?

To install a HELI-COIL tanged tang insert, drill out the damaged thread to the specified tap drill size, tap the hole with the correct HELI-COIL tap, then use a tang break-off tool to install the insert. 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, M6-1.00 Thread Size, Plain, 1,000 PK (MPN 1084-6CN060S). 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.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M20-2.50 Thread Size, Plain, Plain, 4 PK (MPN R1084-20). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M20-2.50; 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, 3/8"-16 Thread Size, Plain, Plain, 100 PK (MPN A1185-6CN562). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 3/8"-16; 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, #10-24 Thread Size, Plain, Plain, 100 PK (MPN A1185-3CN285). 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.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, #10-24 Thread Size, Plain, Plain, 100 PK (MPN A1185-3CN285). 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, 5/16"-18 Thread Size, Plain, 500 PK (MPN 1185-5CN312S). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 5/16"-18; attr798676: Metal; attr798705: Inch; attr798675: HELI-COIL; attr798708: 200,000 to 250,000 psi; attr798713: Coarse.
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