Printable Drill Size Chart

August 31, 2024

A compilation of drill bit dimensions, organized for easy reference and formatted for printing, facilitates accurate hole creation in various materials. These resources typically include fractional, metric, number, and letter drill sizes, often presented in a tabular format for efficient lookup. For example, one can quickly determine the appropriate drill bit for creating a hole sized for a specific fastener...
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Printable Drill Tap Chart

July 27, 2024

A readily available resource correlating drill bit sizes with the appropriate taps for creating threaded holes is a valuable tool for machinists, engineers, and hobbyists. This reference material ensures accurate hole preparation prior to tapping, leading to stronger and more reliable threaded connections. As an example, for a 1/4″-20 tap, the chart would indicate the ideal drill bit size to...
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Printable Drill And Tap Chart

January 10, 2024

A resource correlating specific drill sizes with the appropriate tap sizes for creating threaded holes. This table presents recommended drill bit diameters for achieving optimal thread engagement when using a tap to cut internal screw threads. For instance, if a project requires a 1/4-20 thread, the reference material indicates the necessary drill size to use before tapping. The value of...
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