This is a pocket-size reference that has all the fundamental data that engineers need in their daily work. It includes taping and drilling charts, hole coordinate charts with common sizes already worked out, speeds/feeds, material specs, drawing symbols and standards, CNC machine codes, plus much more. This book is also a very useful reference for students in engineering and drafting programs. It also covers: Mathematical Formulas and Measurement; Screw Thread Charts and Tapping Drill Sizes; Fasteners; Allowances and Tolerances; Drawing Standards; Computer Numerical Control; and, Conversion Factors and Equivalent Charts.