Indicates the screw follows ISO metric thread standards.
The major diameter of the thread in millimeters. An M6 screw is approximately 6mm wide.
Metric screws are identified by a standard callout, such as . Each part of this code tells you exactly what you are buying: buy metric machine screws
The environment of your project dictates the material you should choose at retailers like RS Components or Bolt Base . Understanding Metric Fasteners
One of the most common mistakes when buying screws is measuring from the wrong starting point. Indicates the screw follows ISO metric thread standards
Measure from under the head to the very tip.
The Ultimate Guide to Buying Metric Machine Screws: From Specs to Selection Metric screws are identified by a standard callout, such as
Buying metric machine screws can be a daunting task if you don’t speak the "fastener language." Unlike wood screws that taper to a point, metric machine screws have uniform diameters and are designed to thread into pre-tapped holes or mating nuts. Whether you're a DIYer or an engineer, understanding the nuances of the metric system is essential for a secure, professional fit. 1. Decoding the "M" Designation