HELI-COIL Threaded Mandrel Tool: Threaded Mandrel Type AM, Helical Inserts
The HELI-COIL Threaded Mandrel Type AM (MPN 3747-8) is a metric, right-hand, fine-thread installation tool for steel helical inserts. Designed for use with helical inserts, this threaded mandrel tool enables precise…
SKU 3G-OTH-531068
Need installation or engineering help?
Ask a question
Product Description
The HELI-COIL Threaded Mandrel Type AM (MPN 3747-8) is a metric, right-hand, fine-thread installation tool for steel helical inserts. Designed for use with helical inserts, this threaded mandrel tool enables precise insertion of compatible thread types.
Frequently Asked Questions
What is the HELI-COIL Threaded Mandrel Type AM (3747-8) used for?
The HELI-COIL Threaded Mandrel Type AM (3747-8) is a metric, right-hand, fine-thread installation tool for steel helical inserts. It enables precise insertion of compatible thread types in industrial applications requiring strong, reliable threads in softer materials.
What are the specifications of the HELI-COIL Threaded Mandrel Type AM (3747-8)?
The HELI-COIL Threaded Mandrel Type AM (3747-8) is a metric, right-hand, fine-thread tool for steel helical inserts. It is compatible with helical inserts and has a manufacturer part number of 3747-8. The tool is designed for precise installation of fine-thread inserts.
Where to buy the HELI-COIL Threaded Mandrel Type AM (3747-8) worldwide?
3G Electric supplies the HELI-COIL Threaded Mandrel Type AM (3747-8) worldwide. As a global industrial solutions provider, we handle logistics, customs, and delivery to your location. Contact us to source this installation tool for helical inserts.
How to install helical inserts with the HELI-COIL Threaded Mandrel Type AM?
To install helical inserts with the HELI-COIL Threaded Mandrel Type AM (3747-8), first drill and tap the hole to the specified fine-thread dimensions. Then, attach the insert to the mandrel, align it with the hole, and turn the tool clockwise to wind the insert into place. Follow standard helical insert installation practices.
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.









