Download or read book GB T 70 6 2020 Translated English of Chinese Standard GBT 70 6 2020 GB T70 6 2020 GBT70 6 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-06-28 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part of GB/T 70 specifies the types and dimensions, technical conditions and designation of hexagon socket head cap screws with fine pitch thread. This Part is applicable to hexagon socket head cap screws with the nominal diameter of thread d = 8 mm ~ 36 mm, fine pitch thread, performance level of 8.8, 10.9, 12.9/12.9, A2-50, A2-70, A3-50, A3-70, A4-50, A4-70, A5-50, A5-70, CU2 and CU3, and Grade-A of product grade.