Standard No.:	GB/T 22028-2008
English Name:	Hot-dip galvanized screw threads - On internal screw threads there is the clearance for accommodating the hot-dip galvanized coat
Chinese Name:	热浸镀锌螺纹 在内螺纹上容纳镀锌层
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; SAC
Issued on:	2008-6-19
Implemented on:	2009-1-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	100.00
Delivery:	via email in 1~3 business day

本标准规定了在内螺纹上容纳镀锌层螺纹的牙型、直径与螺距系列、基本尺寸、公差、标记和极限尺寸。
本标准适用于热浸镀锌螺纹紧固件。外螺纹表面上有热镀锌层，内螺纹为镀后攻丝。