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

HELI-COIL Prewinder Type II Installation Tool

The HELI-COIL Insert Installation Tool (Prewinder Type II, MPN 7552-3) is a steel installation tool for helical inserts, compatible with fine, right-hand threads in inch measurements. 3G Electric interprets this…

SKU 3G-OTH-530956

Also listed as: 75523 · 7552 3

Brand
HELI-COIL
Item
Prewinder Type II Installation Tool
Part Number
7552-3
Category
Installation Tools for Helical Inserts
Available to Order
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Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Technical Specifications

HELI-COIL
Manufacturer Part Number
7552-3
Series
Heli-Coil
Type
Helical Inserts, Steel
Material
Steel
UNSPSC
27112404
Tool Type
Prewinder Type II
Display Qty
1
Catalog Page
2036
Overall Length
7-1/2 in Overall Length
Display Sell UOM
EA
Country of Origin
USA (subject to change)
System of Measurement
Inch
Compatible Insert Type
Helical Inserts
Compatible Thread Type
Fine
Compatible Insert Style
Tanged
Compatible Thread Direction
Right Hand
Compatible External Thread Size
#10-32
Compatible Internal Thread Size
#10-32

Technical Documents

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

Product Description

The HELI-COIL Insert Installation Tool (Prewinder Type II, MPN 7552-3) is a steel installation tool for helical inserts, compatible with fine, right-hand threads in inch measurements. 3G Electric interprets this demand and delivers the tool across 14 industrial departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

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 installation tool used for?

The HELI-COIL Prewinder Type II (MPN 7552-3) is a steel tool used to prewind helical inserts into fine, right-hand inch threads before final installation. It ensures accurate thread repair or reinforcement in metal assemblies across machining, automotive, and industrial maintenance applications.

What are the specifications of the HELI-COIL 7552-3 installation tool?

The HELI-COIL 7552-3 is a Prewinder Type II tool made of steel. It is compatible with helical inserts, fine right-hand threads, and inch measurements. The tool is designed for use with HELI-COIL brand inserts and is part of 3G Electric's industrial supply across 14 departments.

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

3G Electric supplies the HELI-COIL Prewinder Type II (MPN 7552-3) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to order this steel helical insert installation tool for fine inch threads.

How to install helical inserts with the HELI-COIL Prewinder Type II?

To install helical inserts with the HELI-COIL Prewinder Type II, first drill and tap the hole to the specified fine inch thread. Then use the prewinder tool to wind the insert onto the driver tang, align it with the tapped hole, and rotate until the insert is seated below the surface. Break off the tang after installation.

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
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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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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
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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
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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

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