This book is spiral bound and opens out flat or folds back, making it very easy use while you work!A pocket-size reference that has all the fundamental data that engineers need in their daily work. 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. Ideal for mechanical, manufacturing, and design engineers, draftsmen, toolmakers, machinists, students, and hobbyistsThis is the right choice for you if you want a pocket reference that …* Is compact, lightweight, easy-to-carry and really does fit in your pocket.* Contains the essential data you need practically every day, yet is uncluttered by extraneous information.* Is organized so you can easily locate the data you need very quickly.* Contains data not found in similar books, such asthread charts showing all effective sizes.CONTENTSMATHEMATICAL FORMULAS AND MEASUREMENT* Solution Of Right-Angled Triangles...1* Solution Of Oblique-Angled Triangles.....2* Areas & Dimensions Of Plane Figures......3* Volumes Of Solids.....6* Distance Across Corners Of Hexagons & Squares....8* Coordinates For Locating Equally Spaced Holes....9* Sine Bar Calculations.....10* Measuring Dovetail Slide....11* Calculating Countersink & Spot Drill Depths......12* Speeds & Feeds For Milling, Drilling, & Turning.....13* Allowances For Sheet Metal Bending....14* Calculating Shearing Pressure For Blanking.....16* Shear Strengths Of Materials For Blanking......17SCREW THREAD AND DRILL SIZE EQUIVALENT CHARTS* ISO Metric Coarse.....18* ISO Metric Fine.....19* UNC -Unified National Coarse...20* UNF -Unified National Fine....21* BA -British Association.....22* BSW -British Standard Whitworth.....23* BSF -British Standard Fine......24* BSP -British Standard Pipe....25* BSPT -British Standard Pipe Taper......26* NPT -National Pipe Taper......27* Fluteless (Cold Forming) Thre