The distance between thread peaks in millimeters. Coarse threads are standard for general use, while fine threads (smaller numbers) offer better vibration resistance.
High-strength; used in structural engineering and heavy-duty vehicle components. buy metric bolts
Unlike imperial bolts that use slashes, metric bolts have numbers stamped on the head to indicate strength: The distance between thread peaks in millimeters
Medium-carbon steel; the standard "workhorse" for automotive and general machinery. buy metric bolts