Standard No.:	GB/T 193-2003
English Name:	General purpose metric screw threads—General plan
Chinese Name:	普通螺纹 直径与螺距系列
Chinese Classification:	J04    Basic standards and general methods
Professional Classification:	GB    National Standard
ICS Classification:	21.040.10 21.040.10    Metric screw threads 21.040.10
Issued by:	AQSIQ
Issued on:	2003-05-22
Implemented on:	2004-1-1
Status:	valid
Superseding:	GB/T 193-1981 General purpose screw threads--Diameters and pitches
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	174.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the diameter/pitch series of general purpose threads (general purpose metric screw threads). This standard is applicable to the connection of general purpose mechanical fastening thread, and the thread doesn't provide sealing function by itself. 2 Normative References The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding amending errors in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of the normative document is applicable. For undated references, the latest edition of the normative document applies. GB/T 197-2003 General Purpose Metric Screw Threads - Tolerances (ISO 965-1: 1998, ISO General Purpose Metric Screw Threads - Tolerances - Part 1: Principles and Basic Data，MOD) GB/T 14791 Screw Threads - Vocabulary (neq ISO 5408: 1983) 3 Terms and Definitions

Foreword I 1 Scope 2 Normative References 3 Terms and Definitions 4 Nominal Series of Diameter and Pitch 5 Special Series of Diameter and Pitch 6 Thread Designation