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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 Type AM (MPN 3747-12) is a metric, right-hand, coarse-thread installation tool for steel helical inserts. 3G Electric interprets this demand and delivers the correct tool across 14…

SKU 3G-OTH-531085

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
3747-12
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 Type AM (MPN 3747-12) is a metric, right-hand, coarse-thread installation tool for steel helical inserts. 3G Electric interprets this demand and delivers the correct tool across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.

Frequently Asked Questions

Is the HELI-COIL Threaded Mandrel Tool: Threaded Mandrel Type AM, Helical Inserts available from 3G Electric?

Yes — 3G Electric supplies genuine HELI-COIL products, available to order with worldwide shipping. Contact us for current lead time.

How do I get a quote for the HELI-COIL Threaded Mandrel Tool: Threaded Mandrel Type AM, Helical Inserts?

Click "Request a Quote" on this page or add the product to your RFQ cart. Our engineers will respond within 24 hours with pricing, lead times, and technical recommendations.

Does 3G Electric provide technical support for installation tools for helical inserts?

Yes, our team of experienced engineers provides full technical support including product selection, installation guidance, commissioning, and after-sales service for all installation tools for helical inserts we distribute.

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 Pneumatic Power Tool Adapter: Installation Tool Accessory, Helical Inserts, Steel (MPN 8550-1R). Key specifications — Compatible External Thread Size: > 1/4" or M6; 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 8550-1R). Key specifications — Compatible External Thread Size: > 1/4" or M6; Compatible Insert Type: Helical Inserts; Compatible Thread Type: Universal; Brand: HELI-COIL; Tool Type: Installation Tool Accessory.
HELI-COIL Insert Installation Tool: Prewinder Type IV, Helical Inserts, Steel (MPN 7751-24). 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 7751-24). 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 7552-8). 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 7552-8). 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 Thread Gauge: Thread Gauge, Helical Inserts, #3-48 Compatible External Thread Size, Steel (MPN 1442-03). 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, #3-48 Compatible External Thread Size, Steel (MPN 1442-03). 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 Threaded Mandrel Tool: Threaded Mandrel Type AM, Helical Inserts, Steel (MPN 2288-7). 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: Threaded Mandrel Type AM.
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HELI-COIL Threaded Mandrel Tool: Threaded Mandrel Type AM, Helical Inserts, Steel (MPN 2288-7). 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: Threaded Mandrel Type AM.
HELI-COIL Thread Gauge: Thread Gauge, Helical Inserts, #4-40 Compatible External Thread Size, Steel (MPN 3688-04). 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: Thread Gauge.
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HELI-COIL Thread Gauge: Thread Gauge, Helical Inserts, #4-40 Compatible External Thread Size, Steel (MPN 3688-04). 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: Thread Gauge.
HELI-COIL Thread Gauge: Thread Gauge, Helical Inserts, 3/8"-16 Compatible External Thread Size (MPN 1442-6). 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, 3/8"-16 Compatible External Thread Size (MPN 1442-6). 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 Insert Installation Tool: Prewinder Type II, Helical Inserts, Steel (MPN 7551-1). 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
HELI-COIL Insert Installation Tool: Prewinder Type II, Helical Inserts, Steel (MPN 7551-1). 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.