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The Ulitmate Metric Screw Thread Resource: Basic Dimensions, Classes, Tolerances, Formulas, Charts, and Explanations
Find out the different cross-sectional dimensions of any metric bolt's external thread and nut's internal thread using this thread calculator, given the thread pitch, basic major diameter, and tolerance class details of the threads.
8 sty 1993 · Design aid - Table of design properties for individual metric hexagonal bolts including stress area, yield strength, ultimate strength, shear resistance, tensile resistance, interaction between shear and tension, bearing resistance, punching shear resistance
Fastener and Screw / Bolt Design, Formula and Calculations. The following table chart defines standard metric external thread size M1.6 to M18 per. ANSI/ASME B1.13M-1995. These thread sizes and classes represent bolts and screws, as well, as other standard external threads.
Metric thread calculator to calculate external and internal metric thread dimensions including major diameter, minor diameter, pitch diameter and thread tolerance according to ISO 724 and ISO 965 standards.
Our user-friendly metric thread chart offers comprehensive specification data for various metric screw sizes. Our thread size chart covers M1.6 up to M68.
ISO 261 specifies a detailed list of preferred combinations of outer diameter and pitch for ISO metric screw threads. The 1st choice column follows the R10 series from ISO 3, while the 2nd choice column is rounded off values from the R20 series from ISO 3.
