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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 3747-10) is a metric installation tool for steel helical inserts with right-hand coarse threads. 3G Electric interprets this demand and delivers the genuine OEM tool…

SKU 3G-OTH-531070

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
3747-10
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 3747-10) is a metric installation tool for steel helical inserts with right-hand coarse threads. 3G Electric interprets this demand and delivers the genuine OEM tool, backed by specialist sourcing and support across 14 industrial departments — including combustion, pumps, and controls — to ensure you get the right answer, not just a catalog.

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

The HELI-COIL Threaded Mandrel Tool Type AM (MPN 3747-10) installs steel helical inserts into pre-tapped holes to repair or reinforce threads. It is used across industrial maintenance, automotive, and manufacturing applications where metric coarse right-hand threads are required.

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

The HELI-COIL Threaded Mandrel Tool Type AM (MPN 3747-10) is a metric installation tool for steel helical inserts. It is compatible with right-hand coarse threads and helical insert types. The tool is made of steel and is designed for precision thread repair.

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

3G Electric supplies the genuine HELI-COIL Threaded Mandrel Tool Type AM (MPN 3747-10) worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this metric installation tool.

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

To install helical inserts, first drill and tap the hole to the specified metric coarse thread size. Then, thread the insert onto the mandrel tool, 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.

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 7551-7). 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 7551-7). 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 Pneumatic Power Tool Adapter: Installation Tool Accessory, Helical Inserts, Steel (MPN 8550R). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Type: Universal; Brand: HELI-COIL; Tool Type: Installation Tool Accessory.
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HELI-COIL Pneumatic Power Tool Adapter: Installation Tool Accessory, Helical Inserts, Steel (MPN 8550R). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Type: Universal; Brand: HELI-COIL; Tool Type: Installation Tool Accessory.
HELI-COIL Installation Tool: Threaded Mandrel for Tangless Inserts, Helical Inserts, Steel (MPN 7571-06B). 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 7571-06B). 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 IV, Helical Inserts, Steel (MPN 7751-16). 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 IV.
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HELI-COIL Insert Installation Tool: Prewinder Type IV, Helical Inserts, Steel (MPN 7751-16). 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 IV.
HELI-COIL Insert Installation Tool: Prewinder Type II, Helical Inserts, Steel (MPN 7751-10). 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 Thread Gauge: Thread Gauge, Helical Inserts, M4-0.70 Compatible External Thread Size (MPN 4624-4). 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: Thread Gauge.
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HELI-COIL Thread Gauge: Thread Gauge, Helical Inserts, M4-0.70 Compatible External Thread Size (MPN 4624-4). 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: Thread Gauge.
HELI-COIL Mandrel: Pneumantic Tool Threaded Mandrel, Helical Inserts, Steel (MPN 8757-2.5). 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 8757-2.5). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Type: Coarse; Brand: HELI-COIL; Tool Type: Pneumantic Tool Threaded Mandrel.