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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 right-hand coarse threads in inch measurements. This steel tool (MPN 3724-22) is compatible with…

SKU 3G-OTH-531033

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
3724-22
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 right-hand coarse threads in inch measurements. This steel tool (MPN 3724-22) is compatible with HELI-COIL helical inserts, enabling efficient prewinding during thread repair or reinforcement.

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 prewind helical inserts during thread repair or reinforcement. It ensures proper insert installation in right-hand coarse inch threads, commonly applied in automotive, aerospace, and industrial maintenance to restore damaged threads without replacing components.

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

The HELI-COIL Threaded Mandrel Tool (MPN 3724-22) is a Prewinder Type III made of steel. It is compatible with HELI-COIL helical inserts, right-hand thread direction, coarse thread type, and inch system of measurement. This tool is designed specifically for installing helical inserts in threaded holes.

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

3G Electric supplies the HELI-COIL Threaded Mandrel Tool (Prewinder Type III) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this tool for your thread repair applications.

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

To install helical inserts with the HELI-COIL Prewinder Type III, first select the correct insert size for your coarse inch thread. Place the insert onto the tool's mandrel, then rotate the tool to prewind the insert into the tapped hole. Follow standard thread repair practices for proper alignment and depth.

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 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.
HELI-COIL Insert Installation Tool: Prewinder Type II, Helical Inserts, Steel (MPN 7552-04). 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.