We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
HELI-COIL Pneumatic Tool Threaded Mandrel, Steel, Coarse Thread, 8757-3 - Installation Tools for Helical Inserts
HELI-COILInstallation Tools for Helical Inserts

HELI-COIL Pneumatic Tool Threaded Mandrel, Steel, Coarse Thread, 8757-3

The HELI-COIL Pneumantic Tool Threaded Mandrel (MPN 8757-3) is a steel installation tool for helical inserts, designed for coarse thread types. 3G Electric interprets your demand for this specific OEM tool, sources…

SKU 3G-OTH-531043

Also listed as: 87573 · 8757 3

Brand
HELI-COIL
Item
Pneumatic Tool Threaded Mandrel, Steel, Coarse Thread, 8757-3
Part Number
8757-3
Category
Installation Tools for Helical Inserts
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

HELI-COIL
Manufacturer Part Number
8757-3
Type
Helical Inserts, Steel
Tool Type
Pneumantic Tool Threaded Mandrel
Compatible Insert Type
Helical Inserts
Compatible Thread Type
Coarse

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

HELI-COIL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HELI-COIL Pneumantic Tool Threaded Mandrel (MPN 8757-3) is a steel installation tool for helical inserts, designed for coarse thread types. 3G Electric interprets your demand for this specific OEM tool, sources it, and provides a quote with dedicated support across 14 industrial departments — with specialist depth in combustion, pumps and controls.

Frequently Asked Questions

What is the HELI-COIL Pneumantic Tool Threaded Mandrel used for?

The HELI-COIL Pneumantic Tool Threaded Mandrel (MPN 8757-3) is a steel installation tool for helical inserts. It is used to install coarse-thread helical inserts into pre-tapped holes, restoring or reinforcing threads in metal components across industrial applications.

What are the specifications of the HELI-COIL Pneumantic Tool Threaded Mandrel?

The HELI-COIL Pneumantic Tool Threaded Mandrel (MPN 8757-3) is a steel tool designed for helical inserts. It is compatible with coarse thread types and is used with pneumatic power. The tool is manufactured by HELI-COIL and is part of their helical insert installation system.

Where to buy the HELI-COIL Pneumantic Tool Threaded Mandrel worldwide?

3G Electric supplies the HELI-COIL Pneumantic Tool Threaded Mandrel (MPN 8757-3) worldwide. We interpret your demand, source the OEM tool, and handle logistics, customs, and delivery to your location. Contact us for a quote and dedicated support across 14 industrial departments.

How to install helical inserts with the HELI-COIL Pneumantic Tool Threaded Mandrel?

To install helical inserts with the HELI-COIL Pneumantic Tool Threaded Mandrel (MPN 8757-3), first drill and tap the hole to the specified size. Then, attach the mandrel to a pneumatic tool, engage the insert, and drive it into the tapped hole until it is below the surface. Break off the tang if required.

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
Not sure this is the right part? Photo-identify it

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from HELI-COIL

View all HELI-COIL parts
This steel installation tool is designed for prewinding helical inserts into fine, right-hand inch threads prior to final installation. It is used in thread repair and reinforcement applications in metal assemblies
HELI-COIL
This steel installation tool is designed for prewinding helical inserts into fine, right-hand inch threads prior to final installation. It is used in thread repair and reinforcement applications in metal assemblies
This steel extraction tool is designed for removing damaged or worn helical inserts with right-hand, fine threads in inch sizes. It enables thread repair without replacing the parent material, commonly used in maintenance and repair of threaded holes in various assemblies
HELI-COIL
This steel extraction tool is designed for removing damaged or worn helical inserts with right-hand, fine threads in inch sizes. It enables thread repair without replacing the parent material, commonly used in maintenance and repair of threaded holes in various assemblies
Steel installation tool for prewinding helical inserts into fine-thread, right-hand holes in inch-system measurements. Used in metalworking, automotive, and industrial repair applications to ensure proper insert alignment and reduce installation time
HELI-COIL
Steel installation tool for prewinding helical inserts into fine-thread, right-hand holes in inch-system measurements. Used in metalworking, automotive, and industrial repair applications to ensure proper insert alignment and reduce installation time
This Prewinder Type IV tool is used to install steel helical inserts into pre-tapped holes. It is designed for fine, right-hand threads in the inch system, ensuring proper alignment and insertion without tangling or cross-threading
HELI-COIL
This Prewinder Type IV tool is used to install steel helical inserts into pre-tapped holes. It is designed for fine, right-hand threads in the inch system, ensuring proper alignment and insertion without tangling or cross-threading
Thread gauge for verifying #10-32 compatible external thread size in steel helical inserts. Inch-system tool designed for right-hand, coarse threads. Used to confirm proper fit and thread quality during helical insert installation in industrial maintenance and repair applications
HELI-COIL
Thread gauge for verifying #10-32 compatible external thread size in steel helical inserts. Inch-system tool designed for right-hand, coarse threads. Used to confirm proper fit and thread quality during helical insert installation in industrial maintenance and repair applications
The HELI-COIL Prewinder Type II is a steel installation tool for helical inserts. It prewinds the insert onto a mandrel before driving it into a tapped hole, ensuring proper thread alignment. Compatible with right-hand fine threads in inch measurements
HELI-COIL
The HELI-COIL Prewinder Type II is a steel installation tool for helical inserts. It prewinds the insert onto a mandrel before driving it into a tapped hole, ensuring proper thread alignment. Compatible with right-hand fine threads in inch measurements
This steel threaded mandrel is designed for installing tangless helical inserts into pre-tapped holes. It is compatible with inch-system, right-hand, coarse-thread helical inserts. Commonly used in industrial applications such as engine blocks, hydraulic components, and machinery repairs
HELI-COIL
This steel threaded mandrel is designed for installing tangless helical inserts into pre-tapped holes. It is compatible with inch-system, right-hand, coarse-thread helical inserts. Commonly used in industrial applications such as engine blocks, hydraulic components, and machinery repairs
This steel installation tool accessory provides power to drive tools for seating helical inserts. It is compatible with helical inserts and delivers consistent torque for thread repair or reinforcement in metal components
HELI-COIL
This steel installation tool accessory provides power to drive tools for seating helical inserts. It is compatible with helical inserts and delivers consistent torque for thread repair or reinforcement in metal components

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first