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Inch and Metric Tap Drill Size Guide Chart Magnet | UNC | UNF | NPT | NPS | I.S.O. Metric COARSE | I.S.O. Metric FINE | Flexible Magnetic Sheet & Drill Reference Guide Posters Size 6" x 9"
  • โ˜…ใ€๐€๐ƒ๐•๐€๐๐“๐€๐†๐„๐’ ๐Ž๐… ๐“๐‡๐„ ๐Ÿ”" ๐— ๐Ÿ—"-๐ˆ๐๐‚๐‡ ๐Œ๐€๐†๐๐„๐“๐ˆ๐‚ ๐…๐Ž๐‘๐Œ๐€๐“ใ€‘- The 6" x 9" Drill Guide Chart" offers several advantages that enhance its usability and convenience. The 6" x 9"- magnetic sheet is compact and easy to carry, allowing you to keep it close at hand during drilling operations. You can store it in garage toolboxes, or place on a magnetic surface for quick and easy access.
  • โ˜…ใ€๐ƒ๐”๐‘๐€๐๐‹๐„ & ๐‹๐Ž๐๐†-๐‹๐€๐’๐“๐ˆ๐๐†ใ€‘- Made with high-quality materials, the magnet chart poster is designed to withstand wear and tear, ensuring its durability and longevity. Unlike paper charts that can tear, fade, or get damaged easily, this magnet is built to withstand the rigors of frequent use.
  • โ˜…ใ€๐„๐€๐’๐˜-๐“๐Ž-๐‘๐„๐€๐ƒ ๐ƒ๐„๐’๐ˆ๐†๐ใ€‘- The magnetic sheet stays flat on the surface, providing clear visibility of the tap drill sizes and corresponding holes. The design ensures that the chart remains easily readable during use, eliminating the need to flip through pages or hold down corners.
  • โ˜…ใ€๐•๐„๐‘๐’๐€๐“๐ˆ๐‹๐ˆ๐“๐˜ & ๐…๐‹๐„๐—๐ˆ๐๐‹๐„ ๐Œ๐€๐†๐๐„๐“๐ˆ๐‚ ๐ƒ๐‘๐ˆ๐‹๐‹ ๐‘๐„๐…๐„๐‘๐„๐๐‚๐„ ๐†๐”๐ˆ๐ƒ๐„ใ€‘- Beyond being a tap drill chart serves as a flexible drill reference guide. With labeled holes corresponding to various drill bit sizes, it simplifies the selection of the appropriate drill bit for any task, regardless of the threading standard.
  • โ˜…ใ€๐“๐‡๐‘๐„๐€๐ƒ ๐’๐“๐€๐๐ƒ๐€๐‘๐ƒ๐’ ๐‚๐Ž๐•๐„๐‘๐„๐ƒใ€‘- Despite its compact size, This Tap Drill Size Chart and mechanic tools is a comprehensive reference guide that covers a wide range of thread standards, making it suitable for various industries and applications. The following thread standards are included
  • โ˜…ใ€๐”๐๐ˆ๐…๐ˆ๐„๐ƒ ๐“๐‡๐‘๐„๐€๐ƒ ๐’๐„๐‘๐ˆ๐„๐’ ๐”๐๐‚ & ๐”๐๐…ใ€‘- The Unified Thread Series comprises two common thread standards used in North America. The UNC (Unified National Coarse) features a relatively large thread pitch, while the UNF (Unified National Fine) has a finer pitch, making it ideal for applications with limited space.
  • โ˜…ใ€๐๐€๐“๐ˆ๐Ž๐๐€๐‹ ๐๐ˆ๐๐„ ๐“๐‡๐‘๐„๐€๐ƒ ๐๐๐“ & ๐๐๐’ใ€‘- The National Pipe Thread and National Pipe Straight are used primarily for pipe fittings in plumbing and fluid transport systems. NPT threads are tapered, providing a secure seal, while NPS threads are straight and used for mechanical joining.
  • โ˜…ใ€๐ˆ.๐’.๐Ž. ๐Œ๐„๐“๐‘๐ˆ๐‚ ๐‚๐Ž๐€๐‘๐’๐„ & ๐…๐ˆ๐๐„ใ€‘- The International Organization for Standardization (ISO) Metric threads is a widely adopted standard worldwide. The I.S.O. Metric Coarse threads are used for general applications, while the I.S.O. Metric Fine threads are utilized in situations requiring higher precision.
      โ˜…๐๐ซ๐จ๐๐ฎ๐œ๐ญ ๐๐ž๐ฌ๐œ๐ซ๐ข๐ฉ๐ญ๐ข๐จ๐งโ˜…

    When it comes to drilling and tapping operations, precision and accuracy are essential to achieve reliable results. Having the right information at your fingertips is crucial to ensure that the correct drill bit size is used for various threading standards. The Magnet Chart is a compact and versatile tool that provides a wealth of essential data in a convenient 6" x 9"-inch size. In this guide, we will explore the significance and applications of this chart for UNC, UNF, NPT, NPS, I.S.O. Metric Coarse, I.S.O. Metric Fine, and its utility as a flexible magnetic drill reference guide. Using inaccurate drill sizes can lead to stripped threads, loose fastenings, or compromised structural integrity, leading to costly repairs and safety hazards. The Chart eliminates guesswork and minimizes the risk of errors, making it an essential companion for any drilling operation.


    Tap drill size charts sheet are indispensable tools for professionals and DIY enthusiasts involved in drilling and tapping holes. These charts provide crucial information about the appropriate drill bit set size required for tapping holes of specific thread standards. By using the correct tap drill size, you can ensure that the threads match the corresponding screws or bolts, resulting in secure and reliable connections.


    The Chart in the compact 6" x 9"-inch size is an invaluable tool for professionals and enthusiasts engaged in drilling and tapping operations. With its comprehensive coverage of various thread standards and its convenience as a flexible magnetic drill reference guide, it streamlines drilling tasks and ensures the integrity of connections. Whether you are working in an industrial setting, or workshop, or tackling DIY projects, having access to accurate and precise information is crucial for achieving high-quality results. Invest in this versatile and durable magnetic chart to enhance your drilling operations and make your projects a success.