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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 7571-3B) is an inch-system installation tool designed for right-hand, coarse helical inserts. This steel tool is compatible with helical inserts and supports…

SKU 3G-OTH-530947

Also listed as: 75713B · 7571 3B

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

HELI-COIL
Manufacturer Part Number
7571-3B
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 7571-3B) is an inch-system installation tool designed for right-hand, coarse helical inserts. This steel tool is compatible with helical inserts and supports precise, reliable installation in industrial applications.

Frequently Asked Questions

What is the HELI-COIL 7571-3B threaded mandrel used for?

The HELI-COIL 7571-3B threaded mandrel is used to install tangless helical inserts into pre-tapped holes. It ensures precise, reliable insertion of inch-system, right-hand, coarse-thread helical inserts in industrial applications such as engine blocks, hydraulic components, and machinery repairs.

What are the specifications of the HELI-COIL 7571-3B installation tool?

The HELI-COIL 7571-3B is a steel threaded mandrel for tangless inserts. It is designed for inch-system, right-hand, coarse helical inserts. The tool is compatible with helical inserts and is manufactured by HELI-COIL under part number 7571-3B.

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

3G Electric supplies the HELI-COIL 7571-3B threaded mandrel to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this installation tool.

How to install helical inserts with the HELI-COIL 7571-3B mandrel?

To install helical inserts with the HELI-COIL 7571-3B mandrel, first tap the hole to the correct inch-coarse thread size. Then, load the tangless insert onto the mandrel, align it with the hole, and turn the mandrel clockwise to drive the insert into place. Follow standard thread-insert installation 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
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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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