A PRECISION DATA BOOK
FOR THE MECHANICAL ENGINEER, DESIGNER,
MANUFACTURING ENGINEER, DRAFTSMAN,
TOOLMAKER, MACHINIST, HOBBYIST AND STUDENT
Engineers
Precision
Data
Pocket Reference
Steve Heather
INDUSTRIAL PRESS INC.
Industrial Press, Inc.
32 Haviland Street, Suite 3
South Norwalk, CT 06854
Tel: 203-956-5593; Toll-Free: 888-528-7852
Email: [email protected]
Heather, Steve.
Engineers Precision Data, Pocket Reference
Copyright © 2014 by Industrial Press, Inc.
All rights reserved.
ISBN (print): 978-0-8311-3496-9
ISBN (pdf): 978-0-8311-9194-8
ISBN (e-pub): 978-0-8311-9195-5
ISBN (mobi): 978-0-8311-9196-2
This book, or any parts thereof, may not be
reproduced, stored in a retrieval system, or
transmitted in any form without the written
permission of the publisher.
Limits of Liability and disclaimer of Warranty:
The author and publisher make no warranty of
any kind, expressed or implied, with regard to
the information contained in this book.
Sponsoring Editor: John Carleo Editorial Consultant: Christopher J. McCauley Cover Design: Janet Romano
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CONTENTS
MATHEMATICAL FORMULAS AND MEASUREMENT
Solution Of Right-Angled Triangles
Solution Of Oblique-Angled Triangles
Areas & Dimensions Of Plane Figures
Volumes Of Solids
Distance Across Corners Of Hexagons & Squares
Coordinates For Locating Equally Spaced Holes
Sine Bar Calculations
Measuring Dovetail Slides
Calculating Countersink & Spot Drill Depths
Speeds & Feeds For Milling, Drilling, & Turning
Allowances For Sheet Metal Bending
Calculating Shearing Pressure For Blanking
Shear Strengths Of Materials For Blanking
SCREW THREAD AND DRILL SIZE EQUIVALENT CHARTS
ISO Metric Coarse
ISO Metric Fine
UNC - Unified National Coarse
UNF - Unified National Fine
BA - British Association
BSW - British Standard Whitworth
BSF - British Standard Fine
BSP - British Standard Pipe
BSPT - British Standard Pipe Taper
NPT - National Pipe Taper
Fluteless (Cold Forming) Threads - Tapping Drill Sizes
Thread Repair Inserts - Tapping Drill Sizes
Fractional, Number, Letter, Metric & Decimal Drill Size Equivalent Charts
FASTENERS
Hexagon Socket Head Cap Screws
Clearance Drill, Counterbore & Key Sizes For Inch Series
Clearance Drill, Counterbore & Key Sizes For Metric Series
Hexagon Socket Flat Countersunk Head Cap Screws
Clearance Drill, Countersink & Key Sizes For Inch Series
Clearance Drill, Countersink & Key Sizes For Metric Series
Machine & Set Screw Identification Chart
ALLOWANCES AND TOLERANCES
Terms Used For Preferred Fits On Holes & Shafts
Selected ISO Fits – Hole Basis
Clearance Fits
Transition Fits
Interference Fits
PROPERTIES AND TESTING OF MATERIALS
Heat, Mass & Weight Of Elements
Hardness Comparison Table
Surface Texture
DRAWING STANDARDS
Drawing Sheet Sizes - U.S. Customary Inch & ISO Metric
Line Types & Line Widths
ASME & ISO Orthographic Projections
ASME & ISO Geometric Symbols Comparison Chart
Common Drawing Abbreviations
COMPUTER NUMERICAL CONTROL
Letter Addresses
G-Code Addresses
Miscellaneous Functions (M-Codes)
CONVERSION FACTORS
Inches To Millimeters