This chart provides a quick reference to US machine screw diameters, including decimal and metric equivalents, nearest fractional sizes, and standard thread pitches.

Nov 7, 2025 · In this article, we’ll be covering the machine screw sizes for the Unified Screw Thread System, commonly used across the United States and Canada, including minimums and maximums …

Aug 29, 2025 · Machine Screw Sizes PDF provides a clear reference chart for standard screws, including gauge, major diameter, coarse and fine thread counts, and typical applications.

It offers detailed technical data and calculations for various fields such as fluid mechanics, material properties, HVAC systems, electrical engineering, and more.

Comprehensive machine screw sizing charts for US (#0-3/8") and metric (M1.6-M12) screws. Includes head styles, drive types, tap drill sizes, and installation guides.

This screw size chart will give you the diameter and hole diameter or different size screws, as well as links to drill size calculators.

Machine screws of diameters No. 6 to 1/2" inclusive, which are shorter than either 1/2" or 3D (where D is the nominal screw size in inches) are not subject to tensile testing.

Length is measured from where the surface is assumed to be, to the end of the screw. Therefore, pan head screws are measured from under the head, and flat head screws are measured overall.

Oct 25, 2025 · Here is a chart showing the most common US machine screw sizes from #0 to #14. You can see the nominal size, threads per inch, major diameter, pitch diameter, and tolerances. Tip: …

Oct 11, 2024 · Use this machine screw size guide and chart to help you find the size number, fractional size, or metric screw size you need to get the job done.