This comprehensive data book offers a wide range of reliable information, formulas, dimensions, and tables that are extremely useful in both the metalworking workshop and for those designing engineered items, tools, and machines. In one concise volume, it provides data that are otherwise available only by reference to many different sources or more expensive publications. From drill sizes, turning tools, and thread data to screw cutting combinations, electrical components, and hardware dimensions,?Metalworker's Data Book?includes 27 chapters filled with essential data that will assist the metalworker both at the design stage of a project and during its manufacture in the workshop. A valuable, go-to resource for machinists working to current standards, it includes details of the latest metric thread forms. And for those involved in restoration work, this book also offers details related to systems that are no longer widely used and for which data is not easy to locate.