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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, coarse thread, and plain finish. Made from 18-8 metal, it offers a tensile strength of 200,000 to…

SKU 3G-OTH-599108

Brand
HELI-COIL
Item
Helical Insert: Tanged Tang Style, Free-Running, 5/16"-18 Thread Size, Plain
Category
Free-Running Tanged Helical Inserts
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Technical Specifications

HELI-COIL
Manufacturer Part Number
1185-5CN625S
Type
Free-Running, Plain, 500 PK
Thread Size
5/16"-18
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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, coarse thread, and plain finish. Made from 18-8 metal, it offers a tensile strength of 200,000 to 250,000 psi and comes in a 500-piece pack (MPN 1185-5CN625S).

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. It is used across industrial applications including machining, power transmission, and hydraulics to restore stripped threads or strengthen soft materials. 3G Electric supplies these inserts globally for maintenance and production environments.

What are the specifications of the HELI-COIL 1185-5CN625S insert?

This HELI-COIL insert is a free-running, tanged tang style with a 5/16"-18 thread size, right-hand, coarse thread, and plain finish. It is made from 18-8 metal with a tensile strength of 200,000 to 250,000 psi. The pack contains 500 pieces (MPN 1185-5CN625S).

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, customs clearance, and delivery to your facility. Contact us to order the 1185-5CN625S or other thread repair inserts for your application.

How to install a HELI-COIL tanged helical insert?

To install a HELI-COIL tanged insert, drill the hole to the specified size, tap it with the correct HELI-COIL tap, then use a tang-style installation tool to wind the insert into the threaded hole. After installation, break off the tang with a punch. Always follow the manufacturer's instructions for best results.

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, #10-32 Thread Size, Plain, Plain, 100 PK (MPN A1191-3CN285). 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 A1191-3CN285). 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, M8-1.25 Thread Size, Plain, Plain, 100 PK (MPN A1084-8CN120). 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.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M8-1.25 Thread Size, Plain, Plain, 100 PK (MPN A1084-8CN120). 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, 1/4"-20 Thread Size, Plain, Plain, 100 PK (MPN A1185-4CN250). 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
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1/4"-20 Thread Size, Plain, Plain, 100 PK (MPN A1185-4CN250). 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, M3-0.50 Thread Size, Plain, Plain, 100 PK (MPN A1084-3CN060). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M3-0.50; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 3.15mm; attr798708: 200,000 to 250,000 psi.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M3-0.50 Thread Size, Plain, Plain, 100 PK (MPN A1084-3CN060). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: M3-0.50; attr798676: Metal; attr798705: Metric; attr798675: HELI-COIL; attr798681: 3.15mm; attr798708: 200,000 to 250,000 psi.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 1 1/8"-7 Thread Size, Stainless Steel (MPN K1185-18). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 1-1/8"-7; 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 1/8"-7 Thread Size, Stainless Steel (MPN K1185-18). Key specifications — attr798694: 18-8; attr798710: Right Hand; attr798707: 1-1/8"-7; 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, #4-40 Thread Size, 1,000 PK (MPN 1185-04CNW112S). 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, 1,000 PK (MPN 1185-04CNW112S). 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, 5/16"-18 Thread Size, Plain, 100 PK (MPN A1185-5CN469). 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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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, 5/16"-18 Thread Size, Plain, 100 PK (MPN A1185-5CN469). 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.
HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M8-1.25 Thread Size, Plain, Plain, 100 PK (MPN A1084-8CN080). 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.
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HELI-COIL Helical Insert: Tanged Tang Style, Free-Running, M8-1.25 Thread Size, Plain, Plain, 100 PK (MPN A1084-8CN080). 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.