Dec 25, 2025 · The definitive guide to metric thread pitch. Learn why this measurement dictates fit, how to interpret M-series designations, and measure unknown bolts.

Dec 23, 2022 · To measure the pitch of a thread in the United States or Canada, measure the threads-per-inch (TPI). To measure the pitch of a metric thread, measure the distance between two …

Dec 16, 2025 · Accurately measuring metric threads involves determining the pitch and diameter of the thread, crucial for ensuring compatibility and proper fit with mating components. This guide provides …

Metric thread sizes are specified by diameter and pitch, which is the space between threads. For the size M6 × 1 mm, the pitch is coarse; while the size M6 × 0.75 mm has a fine pitch.

Sep 25, 2025 · If the threads are tapered, measure at the 4th or 5th thread down from the head, essentially in the middle of the threaded area. If it's not tapered, measure anywhere along the threads.

Our handy thread pitch calculator helps determine the spacing between threads on screws, bolts, and nuts. By accurately measuring thread pitch, users can ensure proper fit and compatibility between …

Determine the thread O.D (male thread) or I.D (female thread) using calipers. If a seal or angled sealing surface exists, use it to identify which specific type of Metric fitting it is on next page’s chart. To …

Calculate the pitch of your threaded fastener very easily with this thread pitch calculator.

Measured in millimeters (for metric threads) or threads per inch (for imperial threads), it’s a key factor in the functionality of threaded fasteners. The pitch determines how far a bolt travels when turned 360 …