UNIFIED MINIATURE SCREW THREADS
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UNIFIED MINIATURE SCREW THREADS
This Standard will be revised when the Society approves the issuance of a new edition. There will be no addenda or written interpretations of the requirements of this Standard issued to this edition.
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The American Society of Mechanical Engineers Three Park Avenue New York NY 10016
THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS Copyright @ 2004 byAll Rights Reserved Printed in U.5.A.
CONTENTS
Figures
2 I Design (Maximum Material) Thread Forms Basic Profile for the UNM Screw Threads 53 Disposition of Tolerances and Crest Clearances 8
Tables
Thread Size Dimensions Basic and Design 2 Limits of Size and Tolerances 33 4 Thread Form Formulas Thread Form Dimensions Basic and Design 66 Tolerance Formulas for Limits of Size Thread Size Formulas Basic and Design 7 7
Nonmandatory Appendices
B A Gages and Gaging for Unified Miniature Screw Threads Inch Conversion of Table 1 10 9DInch Conversion of Table 4 C Inch Conversion of Table 2 1113
