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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 a steel installation tool for helical inserts, designed for right-hand fine metric threads (MPN 7755-10). 3G Electric interprets this demand and delivers the genuine tool, backed by…

SKU 3G-OTH-531076

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
7755-10
Type
Helical Inserts, Steel
Tool Type
Prewinder Type II
System of Measurement
Metric
Compatible Insert Type
Helical Inserts
Compatible Thread Type
Fine
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 a steel installation tool for helical inserts, designed for right-hand fine metric threads (MPN 7755-10). 3G Electric interprets this demand and delivers the genuine tool, backed by specialist sourcing and support across 14 industrial departments — including combustion, pumps, and controls — to ensure you get the right solution.

Frequently Asked Questions

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

The HELI-COIL Prewinder Type II is a steel installation tool used to prewind helical inserts into right-hand fine metric threads. It ensures proper insert alignment before final installation, commonly applied in automotive, aerospace, and industrial repair where thread reinforcement is needed.

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

The HELI-COIL Prewinder Type II (MPN 7755-10) is a steel tool for helical inserts. It is metric, compatible with right-hand fine threads, and designed for helical inserts. 3G Electric supplies this genuine tool across 14 industrial departments, including combustion, pumps, and controls.

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

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

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

To install a helical insert with the HELI-COIL Prewinder Type II, first select the correct insert size for your fine metric thread. Place the insert onto the tool's tang, then rotate the tool clockwise to prewind the insert into the tapped hole. Follow standard thread repair 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

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 Threaded Mandrel Tool: Threaded Mandrel Type AM, Helical Inserts, Steel (MPN 2288-7). 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 Thread Gauge: Thread Gauge, Helical Inserts, #4-40 Compatible External Thread Size, Steel (MPN 3688-04). 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: Thread Gauge.
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HELI-COIL Thread Gauge: Thread Gauge, Helical Inserts, #4-40 Compatible External Thread Size, Steel (MPN 3688-04). 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: Thread Gauge.
HELI-COIL Thread Gauge: Thread Gauge, Helical Inserts, 3/8"-16 Compatible External Thread Size (MPN 1442-6). 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: Thread Gauge.
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HELI-COIL Thread Gauge: Thread Gauge, Helical Inserts, 3/8"-16 Compatible External Thread Size (MPN 1442-6). 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: Thread Gauge.
HELI-COIL Insert Installation Tool: Prewinder Type II, Helical Inserts, Steel (MPN 7551-1). 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: Prewinder Type II.
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HELI-COIL Insert Installation Tool: Prewinder Type II, Helical Inserts, Steel (MPN 7551-1). 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: Prewinder Type II.
HELI-COIL Mandrel: Pneumantic Tool Threaded Mandrel, Helical Inserts, Steel (MPN 8553-02). 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 8553-02). Key specifications — Compatible Insert Type: Helical Inserts; Compatible Thread Type: Coarse; Brand: HELI-COIL; Tool Type: Pneumantic Tool Threaded Mandrel.
HELI-COIL Thread Gauge: Thread Gauge, Helical Inserts, #2-56 Compatible External Thread Size, Steel (MPN 1442-02). 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: Thread Gauge.
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HELI-COIL Thread Gauge: Thread Gauge, Helical Inserts, #2-56 Compatible External Thread Size, Steel (MPN 1442-02). 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: Thread Gauge.
HELI-COIL Insert Installation Tool: Prewinder Type IV, Helical Inserts, Steel (MPN 535-9). 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: Prewinder Type IV.
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HELI-COIL Insert Installation Tool: Prewinder Type AM, Helical Inserts, Steel (MPN 2299-3). 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: Prewinder Type AM.
HELI-COIL
HELI-COIL Insert Installation Tool: Prewinder Type AM, Helical Inserts, Steel (MPN 2299-3). 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: Prewinder Type AM.