Standard No.:	GB/T 9146-2003
English Name:	General purpose metric screw threads—Limits of sizes for the screw threads of coarse qulaity and preferable plan
Chinese Name:	普通螺纹 粗糙精度、优选系列的极限尺寸
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 9146-1988 General purpose screw threads--Limits of sizes for commercial bolt and nut threads--Coarse quality
Language:	English
File Format:	PDF
Word Count:	2500 words
Price(USD):	104.0
Delivery:	via email in 1~3 business day

本标准依据GB/T9144-2003的系列和GB/T197-2003的基本偏差和公差，规定了粗糙精度、优选系列、粗牙普通螺纹中径和顶径的极限尺寸。普通螺纹的基本牙型符合GB/T192-2003规定，适用于一般用途的机械紧固螺纹联接，其螺纹本身不具有密封功能。