Many issues still surround the use of the Metric System in manufacturing today. In the 70's there was an effort to increase the use of the metric system in the United States. Congress passed the Metric Conversion Act of 1975, then the Omnibus Trade and Competitiveness Act in 1988, making the metric system the preferred method. Today the US still does not consider the metric system as its primary or preferred means of measurement. Looking more specifically at the manufacturing of fasteners, … [Read more...]