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

HELI-COIL Prewinder Type II Insert Installation Tool

The HELI-COIL Prewinder Type II is a steel installation tool for helical inserts, designed for metric coarse right-hand threads (MPN 7751-2.5). 3G Electric interprets this demand and delivers the genuine tool, backed…

SKU 3G-OTH-531037

Also listed as: 775125 · 7751 2 5 · 7751-2-5

Brand
HELI-COIL
Item
Prewinder Type II Insert Installation Tool
Category
Installation Tools for Helical Inserts
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

HELI-COIL
Manufacturer Part Number
7751-2.5
Type
Helical Inserts, Steel
Tool Type
Prewinder Type II
System of Measurement
Metric
Compatible Insert Type
Helical Inserts
Compatible Thread Type
Coarse
Compatible Thread Direction
Right Hand

Technical Documents

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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 metric coarse right-hand threads (MPN 7751-2.5). 3G Electric interprets this demand and delivers the genuine tool, backed by specialist sourcing across 14 industrial departments—including combustion, pumps, and controls—to ensure you get the right solution, not just a catalog.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

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

The HELI-COIL Prewinder Type II is a steel installation tool for helical inserts. It prewinds metric coarse right-hand thread inserts before installation, ensuring proper alignment and reducing insert distortion. This tool is essential for thread repair and reinforcement in industrial applications across machining, automotive, and aerospace sectors.

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

The HELI-COIL Prewinder Type II (MPN 7751-2.5) is a steel tool for helical inserts. It is designed for metric coarse right-hand threads. The tool type is Prewinder Type II, compatible with helical inserts only. It is manufactured by HELI-COIL and is used to prewind inserts before installation.

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

3G Electric supplies the genuine HELI-COIL Prewinder Type II (MPN 7751-2.5) worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this tool and get the right solution for your thread repair needs.

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. Place the insert onto the prewinder tang and rotate the tool to wind the insert into the prewinder. Then transfer the prewound insert to the installation tool for insertion into the tapped hole. Follow standard thread repair practices.

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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