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

HELI-COIL Threaded Mandrel Tool: Prewinder Type III, Helical Inserts

The HELI-COIL Threaded Mandrel Tool is a Prewinder Type III installation tool for helical inserts, designed for inch-system coarse threads with right-hand thread direction. This steel tool (MPN 3724-12) enables…

SKU 3G-OTH-531019

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

HELI-COIL
Manufacturer Part Number
3724-12
Type
Helical Inserts, Steel
Tool Type
Prewinder Type III
System of Measurement
Inch
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 is a Prewinder Type III installation tool for helical inserts, designed for inch-system coarse threads with right-hand thread direction. This steel tool (MPN 3724-12) enables precise insertion of HELI-COIL helical inserts into threaded holes, supporting reliable thread repair and reinforcement in industrial applications.

Frequently Asked Questions

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

The HELI-COIL Threaded Mandrel Tool (Prewinder Type III) is used to install helical inserts into threaded holes for thread repair and reinforcement. It is designed for inch-system coarse threads with right-hand direction, ensuring precise insertion in industrial maintenance and manufacturing applications.

What are the specifications of the HELI-COIL 3724-12 Prewinder Type III?

The HELI-COIL 3724-12 is a steel Prewinder Type III tool for helical inserts. It is compatible with inch-system coarse threads and right-hand thread direction. The tool is designed for helical inserts and supports reliable thread repair in industrial settings.

Where to buy the HELI-COIL Prewinder Type III tool worldwide?

3G Electric supplies the HELI-COIL Prewinder Type III tool (MPN 3724-12) worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this installation tool for helical inserts to your facility, ensuring reliable thread repair support.

How to install helical inserts with the HELI-COIL Prewinder Type III?

To install helical inserts with the HELI-COIL Prewinder Type III, first drill and tap the hole to the specified inch-system coarse thread size. Then, use the tool to wind the insert onto the mandrel and screw it into the tapped hole. Follow standard thread repair practices for best results.

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.
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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.
HELI-COIL Threaded Mandrel Tool: Threaded Mandrel Type AM, Helical Inserts, Steel (MPN 2288-10). 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 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.