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 …

The below charts show all the possible thread size combinations of diameters/pitch as defined in ISO-261 MC – Metric Coarse Thread Series MF – Metric Fine Thread Series

METRIC THREAD - Drill & Tap Chart Coarse Thread Sizes. Thread Size: Tap Drill (mm) Thread Size: Tap Drill (mm) Thread Size: Tap Drill (mm) Thread Size: Tap Drill (mm) M1 x 0.25. 0.75. …

The design principles of ISO general-purpose metric screw threads ("M" series threads) are defined in international standard ISO 68-1. Each thread is characterized by its major diameter …

Metric external thread dimensions are given in the external thread chart below according to ASME B1.13M standard. Thread pitch diameter, major diameter and minor diameter for M profile …

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.

by the nominal major diameter and the number of threads per inch. For example, a 1/4-20 (UNC coarse) thread has a 1/4" nominal major diameter and 20 threads per inch, while a 1/4-28 …

Metric thread chart according to ASME B1.13M M Profile thread standard. Metric External Thread Chart — Limiting Dimensions for M Profile Thread

In our metric screw size chart above, metric thread size is denoted by a series of numbers and letters that encapsulate various dimensions including the major diameter, thread pitch, and …

Mar 18, 2025 · Key Features of ISO Metric Screw Threads. Major Diameter (D): The largest diameter of the thread. Pitch (P): Measured in millimeters between thread crests. Tolerance …