HELI-COIL Threaded Mandrel Tool: Threaded Mandrel Type III, Helical Inserts
The HELI-COIL Threaded Mandrel Tool Type III (MPN 3724-24) is an inch-system installation tool for steel helical inserts with right-hand coarse threads. 3G Electric interprets your demand for threaded repair…
SKU 3G-OTH-531144
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Product Description
The HELI-COIL Threaded Mandrel Tool Type III (MPN 3724-24) is an inch-system installation tool for steel helical inserts with right-hand coarse threads. 3G Electric interprets your demand for threaded repair solutions, sourcing this genuine HELI-COIL tool across 14 industrial departments — with specialist depth in combustion, pumps and controls as a trust anchor, not a limit.
Frequently Asked Questions
What is the HELI-COIL Threaded Mandrel Tool Type III used for?
The HELI-COIL Threaded Mandrel Tool Type III (MPN 3724-24) installs steel helical inserts into pre-tapped holes to repair or reinforce internal threads. It is used across industrial maintenance, machining, and assembly applications where inch-system coarse threads are required.
What are the specifications of the HELI-COIL Threaded Mandrel Tool Type III?
This tool is a Threaded Mandrel Type III from HELI-COIL, designed for inch-system helical inserts with right-hand coarse threads. It is made of steel and compatible with helical inserts. The manufacturer part number is 3724-24.
Where to buy the HELI-COIL Threaded Mandrel Tool Type III worldwide?
3G Electric supplies the genuine HELI-COIL Threaded Mandrel Tool Type III (MPN 3724-24) to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct threaded repair tool for your application.
How to install a helical insert using the HELI-COIL Threaded Mandrel Tool Type III?
To install, select the correct size helical insert for your inch coarse thread. Place the insert onto the mandrel tang, align with the tapped hole, and turn the tool clockwise until the insert is seated below the surface. Then break off the tang with a punch.
Used in
Common applications for HELI-COILHELI-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.









