RS PRO, Square Thread File

RS Stock No.:

Technical Reference

Legislation and Compliance

RoHS Status: Not Applicable

Statement of Conformity

RS Components
Statement of Conformity

This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.

Compliant Product Details
RS stock number 5423408
Product description RS PRO, Square Thread File
Manufacturer / Brand RS PRO

The foregoing information relates to product sold on, or after, the date shown below.


Date May 30, 2024

RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132

Country of Origin: CN

Product Details

RS PRO Thread Restoring Files - Metric & Imperial

Introducing metric and imperial thread restoring files from our own brand RS PRO, a selection of files ideal for restoring worn and damaged external threads. These files allow you to repair worn out threads and bolts with precision, with a number of measurements included. Each file offers 8 different sizes and can be used on either left or right hand threads making them a very versatile hand tool. The sizes of the files are engraved in the center, allowing you to view them at all times. These restoring files are manufactured to a high standard with fast cutting teeth, ensuring a durable and reliable hand tool.

Features and Benefits

  • Ideal for restoring external threads by filing

  • Files both left hand and right hand threads making them very versatile

  • Durable design ensuring a long lasting product

  • Fast cutting teeth

  • Available in metric and imperial sizes


Thread restoring files are a type of hand tool used to restore worn out and damaged threads on a variety of materials and fasteners. They are available in a variety of sizes and are available in left hand, right hand, or both. They are used in a range of applications including:

  • DIY

  • Construction

  • Automotive

  • Workshops

  • Plumbing


What sizes are included?

  • 5423391 - (Metric) 0.80, 1.00, 1.25, 1.5, 1.75, 2.00, 2.50 & 3.00mm

  • 5423408 - (UNF / UNC) 11, 12, 13, 14, 16, 18, 20 & 24 TPI

What is the coarseness of the thread?

Unlike traditional files, the coarseness of thread restoring files is measured in relation to the number of threads per inch that the teeth will fit into.

Is this for left or right hand threads?

These versatile thread restoring files can be used on both left and right hand threads.


Attribute Value
Brand RS PRO
Shape Square
File Type Thread File
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