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HELI-COIL Insert Installation Tool: Prewinder Type II, Helical Inserts - Installation Tools for Helical Inserts
HELI-COILInstallation Tools for Helical Inserts

HELI-COIL Insert Installation Tool: Prewinder Type II, Helical Inserts

The HELI-COIL Prewinder Type II is an inch-system installation tool for steel helical inserts with coarse, right-hand threads (MPN 7551-06). It is designed to prewind inserts into tapped holes, supporting consistent…

SKU 3G-OTH-530921

Brand
HELI-COIL
Item
Insert Installation Tool: Prewinder Type II, Helical Inserts
Category
Installation Tools for Helical Inserts
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Technical Specifications

HELI-COIL
Manufacturer Part Number
7551-06
Type
Helical Inserts, Steel
Tool Type
Prewinder Type II
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 Prewinder Type II is an inch-system installation tool for steel helical inserts with coarse, right-hand threads (MPN 7551-06). It is designed to prewind inserts into tapped holes, supporting consistent thread repair or reinforcement. 3G Electric sources this tool as part of our broad industrial supply across 14 departments, with specialist expertise in fastening and assembly solutions.

Frequently Asked Questions

What is the HELI-COIL Prewinder Type II used for?

The HELI-COIL Prewinder Type II (MPN 7551-06) is an inch-system installation tool designed to prewind steel helical inserts into tapped holes. It ensures consistent thread repair or reinforcement in coarse, right-hand threads, commonly used in automotive, aerospace, and industrial maintenance applications.

What are the specifications of the HELI-COIL Prewinder Type II?

The HELI-COIL Prewinder Type II (MPN 7551-06) is an inch-system tool for steel helical inserts. It is compatible with coarse, right-hand threads and is designed for prewinding inserts into tapped holes. The tool is manufactured by HELI-COIL and supports consistent thread repair or reinforcement.

Where to buy the HELI-COIL Prewinder Type II worldwide?

3G Electric supplies the HELI-COIL Prewinder Type II (MPN 7551-06) worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this installation tool to your facility. Contact us for availability and lead time on this HELI-COIL tool.

How to install a helical insert with the Prewinder Type II?

To install a helical insert with the HELI-COIL Prewinder Type II, first tap the hole to the correct inch thread size. Place the insert onto the tool's mandrel, then rotate the tool clockwise to prewind the insert into the tapped hole. Follow standard thread repair practices for consistent 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

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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HELI-COIL Mandrel: Pneumantic Tool Threaded Mandrel, Helical Inserts, Steel (MPN 8553-4). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Type: Coarse; Brand: HELI-COIL; Tool Type: Pneumantic Tool Threaded Mandrel.
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HELI-COIL Mandrel: Pneumantic Tool Threaded Mandrel, Helical Inserts, Steel (MPN 8553-4). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Type: Coarse; Brand: HELI-COIL; Tool Type: Pneumantic Tool Threaded Mandrel.
HELI-COIL Mandrel: Pneumantic Tool Threaded Mandrel, Helical Inserts, Steel (MPN 8051-06). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Type: Coarse; Brand: HELI-COIL; Tool Type: Pneumantic Tool Threaded Mandrel.
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HELI-COIL Mandrel: Pneumantic Tool Threaded Mandrel, Helical Inserts, Steel (MPN 8051-06). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Type: Coarse; Brand: HELI-COIL; Tool Type: Pneumantic Tool Threaded Mandrel.
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HELI-COIL Threaded Mandrel Tool: Threaded Mandrel Type AM, Helical Inserts, Steel (MPN 3747-18). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Coarse; System of Measurement: Metric; Brand: HELI-COIL; Tool Type: Threaded Mandrel Type AM.
HELI-COIL Insert Extraction Tool: Insert Extraction Tool, Helical Inserts, Steel (MPN 7560-3). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Fine; System of Measurement: Inch; Brand: HELI-COIL; Tool Type: Insert Extraction Tool.
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HELI-COIL Insert Extraction Tool: Insert Extraction Tool, Helical Inserts, Steel (MPN 7560-3). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Fine; System of Measurement: Inch; Brand: HELI-COIL; Tool Type: Insert Extraction Tool.
HELI-COIL Insert Installation Tool: Prewinder Type II, Helical Inserts, Steel (MPN 4835-10). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Fine; System of Measurement: Metric; Brand: HELI-COIL; Tool Type: Prewinder Type II.
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HELI-COIL Insert Installation Tool: Prewinder Type II, Helical Inserts, Steel (MPN 4835-10). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Fine; System of Measurement: Metric; Brand: HELI-COIL; Tool Type: Prewinder Type II.
HELI-COIL Threaded Mandrel Tool: Threaded Mandrel Type AM, Helical Inserts, Steel (MPN 2288-04). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Coarse; System of Measurement: Inch; Brand: HELI-COIL; Tool Type: Threaded Mandrel Type AM.
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HELI-COIL Threaded Mandrel Tool: Threaded Mandrel Type AM, Helical Inserts, Steel (MPN 2288-04). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Direction: Right Hand; Compatible Thread Type: Coarse; System of Measurement: Inch; Brand: HELI-COIL; Tool Type: Threaded Mandrel Type AM.