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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 3747-20) is a metric, right-hand, coarse-thread installation tool for steel helical inserts. 3G Electric interprets your demand for this specific OEM tool, sources it…

SKU 3G-OTH-531101

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
3747-20
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 3747-20) is a metric, right-hand, coarse-thread installation tool for steel helical inserts. 3G Electric interprets your demand for this specific OEM tool, sources it, and provides a quote with dedicated support, leveraging our specialist depth in industrial equipment across 14 departments.

Frequently Asked Questions

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

The HELI-COIL Threaded Mandrel Tool Type AM (MPN 3747-20) is used to install steel helical inserts into metric, right-hand, coarse-thread holes. It is essential for repairing or reinforcing threads in industrial applications across machining, automotive, and heavy equipment maintenance.

What are the specifications of the HELI-COIL Threaded Mandrel Tool Type AM?

The HELI-COIL Threaded Mandrel Tool Type AM (MPN 3747-20) is a metric, right-hand, coarse-thread installation tool for steel helical inserts. It is designed specifically for helical inserts and is manufactured by HELI-COIL. The tool type is Threaded Mandrel Type AM.

Where to buy the HELI-COIL Threaded Mandrel Tool Type AM worldwide?

3G Electric supplies the HELI-COIL Threaded Mandrel Tool Type AM (MPN 3747-20) worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and dedicated support for this OEM installation tool.

How to select the correct HELI-COIL Threaded Mandrel Tool for helical inserts?

To select the correct HELI-COIL Threaded Mandrel Tool, match the tool type (Type AM) to your insert size and thread specifications. Ensure the system of measurement (metric), thread direction (right hand), and thread type (coarse) align with your application. 3G Electric can help verify compatibility.

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 Threaded Mandrel Tool: Prewinder Type III, Helical Inserts, Steel (MPN 3724-12). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Coarse; System of Measurement: Inch; Brand: HELI-COIL; Tool Type: Prewinder Type III.
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HELI-COIL Insert Installation Tool: Prewinder Type AM, Helical Inserts, Steel (MPN 3747-4). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Coarse; System of Measurement: Metric; Brand: HELI-COIL; Tool Type: Prewinder Type AM.
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HELI-COIL Insert Installation Tool: Prewinder Type AM, Helical Inserts, Steel (MPN 3747-4). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Coarse; System of Measurement: Metric; Brand: HELI-COIL; Tool Type: Prewinder Type AM.
HELI-COIL Insert Installation Tool: Prewinder Type IV, Helical Inserts, Steel (MPN 535-20). 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.
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HELI-COIL Insert Installation Tool: Prewinder Type IV, Helical Inserts, Steel (MPN 535-20). 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.
HELI-COIL Mandrel: Threaded Mandrel for Tangless Inserts, Helical Inserts, Steel (MPN 7571-4-3B). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Coarse; System of Measurement: Inch; Brand: HELI-COIL; Tool Type: Threaded Mandrel for Tangless Inserts.
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HELI-COIL Mandrel: Threaded Mandrel for Tangless Inserts, Helical Inserts, Steel (MPN 7571-4-3B). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Coarse; System of Measurement: Inch; Brand: HELI-COIL; Tool Type: Threaded Mandrel for Tangless Inserts.
HELI-COIL Threaded Mandrel Tool: Threaded Mandrel Type III, Helical Inserts, Steel (MPN 3724-24). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Coarse; System of Measurement: Inch; Brand: HELI-COIL; Tool Type: Threaded Mandrel Type III.
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HELI-COIL Threaded Mandrel Tool: Threaded Mandrel Type III, Helical Inserts, Steel (MPN 3724-24). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Coarse; System of Measurement: Inch; Brand: HELI-COIL; Tool Type: Threaded Mandrel Type III.
HELI-COIL Thread Gauge: Thread Gauge, Helical Inserts, 1/4"-28 Compatible External Thread Size (MPN 3694-4). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Coarse; System of Measurement: Inch; Brand: HELI-COIL; Tool Type: Thread Gauge.
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HELI-COIL Thread Gauge: Thread Gauge, Helical Inserts, 1/4"-28 Compatible External Thread Size (MPN 3694-4). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Coarse; System of Measurement: Inch; Brand: HELI-COIL; Tool Type: Thread Gauge.
HELI-COIL Mandrel: Threaded Mandrel for Tangless Inserts, Helical Inserts, Steel (MPN 7571-06-3B). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Coarse; System of Measurement: Inch; Brand: HELI-COIL; Tool Type: Threaded Mandrel for Tangless Inserts.
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HELI-COIL Mandrel: Pneumantic Tool Threaded Mandrel, Helical Inserts, Steel (MPN 8757-5). 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 8757-5). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Type: Coarse; Brand: HELI-COIL; Tool Type: Pneumantic Tool Threaded Mandrel.