Buy Metric Machine | Screws

The distance between thread peaks in millimeters. If this number is omitted (e.g., M6 x 20), it is assumed to be a coarse thread , which is the most common variety. 20 (Length): The length of the screw in millimeters. 2. Measuring Length Correctly

The environment of your project dictates the material you should choose at retailers like RS Components or Bolt Base . Understanding Metric Fasteners buy metric machine screws

One of the most common mistakes when buying screws is measuring from the wrong starting point. The distance between thread peaks in millimeters

Measure the entire length , including the head, as these are designed to sit flush with the material surface. 3. Choosing the Right Material and Finish M6 x 20)