Download or read book GB/T 1230-2006 Translated English of Chinese Standard. (GBT 1230-2006, GB/T1230-2006, GBT1230-2006) written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2018-01-08 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: This national standard specifies the style and size, technical condition and tagging of the high strength plain whose dimensions are 12mm~30mm. This national standard is applicable to the contact sets of friction-type high strength bolt hexagon nut and plain washer for steel structures which should be used together with GB/T 1228-2006 High Strength Bolts with Large Hexagon Head for Steel Structures.