Rothenberger - Thread Extractor Pin, Gr.4, 8.0mm - R7128400

Features of the Rothenberger R7128400 Screw Extractor

The Rothenberger R7128400 Screw Extractor (Size 4, 8.0 mm) is a professional tool specifically designed for removing damaged threads. This thread extractor is made of high-quality hardened special steel, ensuring strength and durability even in the most demanding working conditions. Its conical tip with a reverse thread is designed to effectively penetrate damaged material and allow extraction without further damage to the seat.

Technical Specifications

The Rothenberger R7128400 belongs to the category of size 4 thread extractors, with a diameter of 8.0 mm. This tool is particularly suitable for medium-sized damaged threads, offering the right balance between robustness and precision. Its geometry has been optimized to maximize grip on the damaged material, minimizing the risk of further breakage during the extraction operation.

Practical Applications

This thread extractor is used in numerous professional contexts and applications:

• Repair of mechanical components in automotive workshops
• Maintenance of industrial plants
• Plumbing and heating work
• Naval repairs
• Maintenance of agricultural machinery
• Interventions on metal structures in construction

Operational Advantages

Using the Rothenberger Screw Extractor offers numerous benefits to professional operators:

• Cost savings thanks to the possibility of recovering components that would otherwise need to be replaced
• Reduced machine downtime during repairs
• Precision in extraction that minimizes collateral damage
• Compatibility with various materials such as steel, cast iron, brass, and light alloys
• Ease of use even in confined spaces thanks to its compact design

Usage Procedure

To achieve the best results with the Rothenberger R7128400 Screw Extractor, it is recommended to follow these steps: start by drilling a hole in the center of the damaged thread, using a drill bit with a diameter slightly smaller than that of the extractor. Insert the extractor into the hole and turn it counter-clockwise with a wrench or pipe wrench, applying constant but moderate pressure. The extractor's reverse thread will grip the material, allowing the damaged thread to be removed.

Maintenance and Storage

To preserve the effectiveness of the Rothenberger Screw Extractor over time, it is important to keep it clean after each use, removing any metal residues or shavings. It is advisable to periodically apply a light layer of protective oil to prevent corrosion and store the tool in a dry environment. Avoid using the extractor on excessively hard materials or with completely destroyed threads, situations that could damage the tool itself.

Compatibility and Complete Set

The R7128400 Screw Extractor can be used individually or as part of the complete set of Rothenberger extractors, which includes various sizes to cover a wide range of applications. This particular model is compatible with major metric thread standards and integrates perfectly with other tools in the Rothenberger range, ensuring a complete professional solution for mechanical workshops and industry operators.