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 …

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

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

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.

American screws follow the standard machine screw sizes of ASME / ANSI, listed under the Unified Thread Standard. All measurements in the UTS system are in inches. For the rest of the world, you’ll …

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.

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.

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

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 11, 2024 · Use the table of common screw sizes below to determine the machine screw size that you need for the job. This screw size chart features both standard and metric machine screw sizes.