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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 7571-02-3B) is an installation tool designed for helical inserts with coarse, right-hand threads in inch measurements. This steel mandrel enables precise…

SKU 3G-OTH-531163

Also listed as: 7571023B · 7571 02 3B

Brand
HELI-COIL
Item
Threaded Mandrel for Tangless Inserts
Part Number
7571-02-3B
Category
Installation Tools for Helical Inserts
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Technical Specifications

HELI-COIL
Manufacturer Part Number
7571-02-3B
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 7571-02-3B) is an installation tool designed for helical inserts with coarse, right-hand threads in inch measurements. This steel mandrel enables precise insertion of HELI-COIL helical inserts, supporting reliable thread repair and reinforcement in industrial applications.

Frequently Asked Questions

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

This steel mandrel (MPN 7571-02-3B) installs HELI-COIL helical inserts with coarse, right-hand inch threads. It enables precise thread repair and reinforcement in industrial applications such as automotive, aerospace, and heavy equipment maintenance.

What are the specifications of the HELI-COIL 7571-02-3B mandrel?

The HELI-COIL 7571-02-3B is a threaded mandrel for tangless inserts. It is made of steel, uses inch measurements, and is compatible with helical inserts having coarse, right-hand threads. It is designed specifically for HELI-COIL brand inserts.

Where to buy the HELI-COIL 7571-02-3B mandrel worldwide?

3G Electric supplies the HELI-COIL 7571-02-3B threaded mandrel for tangless inserts to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct installation tool for your helical insert applications.

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

To install helical inserts, first drill and tap the hole to the specified inch thread size. Then attach the insert to the HELI-COIL 7571-02-3B mandrel, align it with the hole, and turn the mandrel clockwise to drive the insert into place. Finally, break off the tang if required.

Used in

Common applications for HELI-COIL
Aerospace — Tangless screw-locking HELI-COIL inserts in 18-8 stainless steel for vibration-resistant threaded joints in airframe and engine components.
Automotive — Free-running tanged HELI-COIL inserts in metric sizes for repairing stripped threads in aluminum engine blocks and transmission housings.
Industrial machinery — STI taps and prewinder installation tools for on-site repair of threaded holes in cast iron and steel machine frames.
Oil and gas — Nitronic 60 HELI-COIL inserts for galling resistance in stainless steel valve bodies and pump housings exposed to corrosive media.
MRO and maintenance — HELI-COIL thread repair kits containing inserts, drill, tap, and installation tool for restoring damaged threads without replacing the parent component.
Electrical equipment — Screw-locking tangless HELI-COIL inserts for securing fasteners in metal enclosures and control panels subject to vibration.
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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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