GB/T 5780-2016 Translated English of Chinese Standard. (GBT 5780-2016, GB/T5780-2016, GBT5780-2016): Hexagon head bolts - Product grade C [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]This Standard specifies type sizes, technical conditions and marks of hexagon head bolts - product grade C. This Standard is applicable to hexagon head bolts of which thread sizes are M5 ~ M64, performance grades are 4.6 and 4.8, the product grade is C. |