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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 3747-16) is a metric installation tool for steel helical inserts with right-hand, coarse threads. 3G Electric interprets demand and delivers this genuine tool across…

SKU 3G-OTH-531168

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
3747-16
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 3747-16) is a metric installation tool for steel helical inserts with right-hand, coarse threads. 3G Electric interprets demand and delivers this genuine tool across 14 industrial departments — and we supply far more than is listed — 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 3747-16) installs steel helical inserts into pre-tapped holes to repair or reinforce threads. It is used across machining, automotive, and industrial maintenance applications where metric coarse, right-hand threads are required.

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

This tool is a metric, right-hand, coarse-thread mandrel for helical inserts made of steel. The manufacturer part number is 3747-16. It is designed specifically for HELI-COIL brand helical inserts and is classified as Type AM.

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

3G Electric supplies the genuine HELI-COIL Threaded Mandrel Tool Type AM (3747-16) to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct tool for your helical insert installation needs.

How to select the correct HELI-COIL mandrel tool for helical inserts?

Select the mandrel tool based on the insert's thread size, pitch, and system of measurement. For metric coarse, right-hand helical inserts, the HELI-COIL Type AM mandrel (MPN 3747-16) is the correct choice. Always verify compatibility with your insert's specifications before ordering.

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 Thread Gauge: Thread Gauge, Helical Inserts, M5-0.80 Compatible External Thread Size (MPN 1324-5). 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: Thread Gauge.
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HELI-COIL Thread Gauge: Thread Gauge, Helical Inserts, M5-0.80 Compatible External Thread Size (MPN 1324-5). 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: Thread Gauge.
HELI-COIL Thread Gauge: Thread Gauge, Helical Inserts, #8-32 Compatible External Thread Size, Steel (MPN 1442-2). 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, #8-32 Compatible External Thread Size, Steel (MPN 1442-2). 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 Installation Tool: Threaded Mandrel for Tangless Inserts, Helical Inserts, Steel (MPN 7571-4B). 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 Installation Tool: Threaded Mandrel for Tangless Inserts, Helical Inserts, Steel (MPN 7571-4B). 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 Insert Installation Tool: Prewinder Type II, Helical Inserts, Steel (MPN 7552-3). 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 II, Helical Inserts, Steel (MPN 7552-3). 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 7751-6). 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 II.
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HELI-COIL Insert Installation Tool: Prewinder Type II, Helical Inserts, Steel (MPN 7751-6). 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 II.
HELI-COIL Mandrel: Threaded Mandrel for Tangless Inserts, Helical Inserts, Steel (MPN 7571-02-3B). 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 7571-02-3B). 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 Insert Installation Tool: Prewinder Type II, Helical Inserts, Steel (MPN 7551-04). 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 II.
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HELI-COIL Insert Installation Tool: Prewinder Type II, Helical Inserts, Steel (MPN 7551-04). 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 II.
HELI-COIL Insert Installation Tool: Prewinder Type IV, Helical Inserts, Steel (MPN 535-24). 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
HELI-COIL Insert Installation Tool: Prewinder Type IV, Helical Inserts, Steel (MPN 535-24). 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.