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HELI-COIL Threaded Mandrel for Tangless Inserts - Installation Tools for Helical Inserts
HELI-COILInstallation Tools for Helical Inserts

HELI-COIL Threaded Mandrel for Tangless Inserts

The HELI-COIL Threaded Mandrel for Tangless Inserts (MPN 7571-2-3B) is an installation tool designed for helical inserts. It is compatible with coarse, right-hand threads and uses an inch system of measurement.

SKU 3G-OTH-531154

Also listed as: 757123B · 7571 2 3B

Brand
HELI-COIL
Item
Threaded Mandrel for Tangless Inserts
Category
Installation Tools for Helical Inserts
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Technical Specifications

HELI-COIL
Manufacturer Part Number
7571-2-3B
Type
Helical Inserts, Steel
Tool Type
Threaded Mandrel for Tangless Inserts
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 for Tangless Inserts (MPN 7571-2-3B) is an installation tool designed for helical inserts. It is compatible with coarse, right-hand threads and uses an inch system of measurement.

Frequently Asked Questions

What is the HELI-COIL Threaded Mandrel for Tangless Inserts used for?

The HELI-COIL Threaded Mandrel (MPN 7571-2-3B) is an installation tool for helical inserts. It drives tangless inserts into coarse, right-hand inch threads, providing reliable thread repair or reinforcement in metal assemblies across industrial maintenance and manufacturing applications.

What are the specifications of the HELI-COIL 7571-2-3B mandrel?

The HELI-COIL 7571-2-3B is a steel threaded mandrel for tangless helical inserts. It is compatible with coarse, right-hand threads and uses an inch system of measurement. The tool is designed specifically for helical inserts, not for other insert types.

Where to buy the HELI-COIL 7571-2-3B mandrel worldwide?

3G Electric supplies the HELI-COIL 7571-2-3B threaded mandrel for tangless inserts to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct installation tool for helical inserts regardless of your location.

How to install helical inserts with the HELI-COIL mandrel?

To install helical inserts with the HELI-COIL 7571-2-3B mandrel, first tap the hole to the specified coarse thread size. Then attach the tangless insert to the mandrel, align it with the hole, and rotate the mandrel clockwise to drive the insert into place. Follow standard thread-repair best practices.

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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