Download or read book GB T 819 1 2016 Translated English of Chinese Standard GBT 819 1 2016 GB T819 1 2016 GBT819 1 2016 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2017-02-27 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Part of GB/T 819 specifies the type and dimension, technical conditions and markings of Property Class 4.8 of countersunk flat head screws with cross recess. This Part is applicable to the Type-H and Type-Z countersunk flat head screws with cross recess for Thread Specification M1.6~M10, Property Class 4.8, Product Grade A.

Download or read book GB T 819 2 2016 Translated English of Chinese Standard GBT 819 2 2016 GB T819 2 2016 GBT819 2 2016 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2017-02-27 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the terms and definitions, principle, apparatus and materials, test pieces, procedure, expression of results, test errors and test report for the determination of the bulk density, apparent porosity and true porosity of dense shaped refractory products.