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HELI-COIL Threaded Mandrel Tool: Threaded Mandrel Type AM, Helical Inserts - Installation Tools for Helical Inserts
HELI-COILInstallation Tools for Helical Inserts

HELI-COIL Threaded Mandrel Tool: Threaded Mandrel Type AM, Helical Inserts

The HELI-COIL Threaded Mandrel Tool Type AM (MPN 3747-18) is a metric installation tool for steel helical inserts with right-hand coarse threads. 3G Electric interprets demand and delivers this genuine industrial…

SKU 3G-OTH-531098

Brand
HELI-COIL
Item
Threaded Mandrel Tool: Threaded Mandrel Type AM, Helical Inserts
Category
Installation Tools for Helical Inserts
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Technical Specifications

HELI-COIL
Manufacturer Part Number
3747-18
Type
Helical Inserts, Steel
Tool Type
Threaded Mandrel Type AM
System of Measurement
Metric
Compatible Insert Type
Helical Inserts
Compatible Thread Type
Coarse
Compatible Thread Direction
Right Hand
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HELI-COIL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HELI-COIL Threaded Mandrel Tool Type AM (MPN 3747-18) is a metric installation tool for steel helical inserts with right-hand coarse threads. 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor.

Frequently Asked Questions

What is the HELI-COIL Threaded Mandrel Tool Type AM used for?

The HELI-COIL Threaded Mandrel Tool Type AM (MPN 3747-18) installs steel helical inserts into metric coarse-threaded holes. It is used in industrial maintenance and repair to restore stripped threads in metal components, ensuring strong, reusable connections across machining, power transmission, and other applications.

What are the specifications of the HELI-COIL Threaded Mandrel Tool 3747-18?

This tool is a Threaded Mandrel Type AM from HELI-COIL, compatible with helical inserts, right-hand coarse threads, and metric system of measurement. It is made of steel and carries MPN 3747-18. It is designed for installing inserts in industrial equipment across multiple departments.

Where to buy the HELI-COIL Threaded Mandrel Tool 3747-18 worldwide?

3G Electric supplies the genuine HELI-COIL Threaded Mandrel Tool Type AM (3747-18) worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order this metric installation tool for helical inserts.

How to install helical inserts with the HELI-COIL Threaded Mandrel Tool?

To install helical inserts, first drill and tap the hole to the specified size. Then, thread the insert onto the HELI-COIL Type AM mandrel, align it with the hole, and turn the tool clockwise until the insert is seated. Finally, break off the tang using a tang break-off tool. Always follow the manufacturer's instructions.

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 installation tools for 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 Insert Installation Tool: Prewinder Type II, Helical Inserts, Steel (MPN 7552-03). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Fine; System of Measurement: Inch; Brand: HELI-COIL; Tool Type: Prewinder Type II.
HELI-COIL Insert Installation Tool: Prewinder Type II, Helical Inserts, Steel (MPN 7552-04). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Fine; System of Measurement: Inch; Brand: HELI-COIL; Tool Type: Prewinder Type II.
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HELI-COIL Insert Installation Tool: Prewinder Type AM, Helical Inserts, Steel (MPN 2299-6). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Fine; System of Measurement: Inch; Brand: HELI-COIL; Tool Type: Prewinder Type AM.
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HELI-COIL Insert Installation Tool: Prewinder Type AM, Helical Inserts, Steel (MPN 2299-6). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Fine; System of Measurement: Inch; Brand: HELI-COIL; Tool Type: Prewinder Type AM.
HELI-COIL Mandrel: Pneumantic Tool Threaded Mandrel, Helical Inserts, Steel (MPN 8757-4). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Type: Coarse; Brand: HELI-COIL; Tool Type: Pneumantic Tool Threaded Mandrel.
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HELI-COIL Mandrel: Pneumantic Tool Threaded Mandrel, Helical Inserts, Steel (MPN 8757-4). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Type: Coarse; Brand: HELI-COIL; Tool Type: Pneumantic Tool Threaded Mandrel.
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HELI-COIL Insert Installation Tool: Prewinder Type IV, Helical Inserts, Steel (MPN 535-16). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Fine; System of Measurement: Inch; Brand: HELI-COIL; Tool Type: Prewinder Type IV.