ISO 7047-2011 Винты с потайной головкой и крестообразным углублением

ISO 7047-2011 Cross Recess Raised Countersunk Screws Introduction The ISO 7047-2011 standard addresses the specifications for raised countersunk head screws with cross recess, which are essential fasteners in various mechanical and engineering applications. These...

GB 1184-2010 Square Wing Thumb Screws Standard

GB 1184-2010 Square Wing Thumb Screws Standard 1. Introduction Square wing thumb screws, also known as butterfly screws with square wings, are essential fasteners designed for manual tightening without tools. They play a critical role in industries requiring quick...

Стандарты механических характеристик стальных контргаек с регулируемым крутящим моментом согласно GB/T 3098.9-2020

Introduction GB/T 3098.9-2020 specifies the mechanical properties of torque-controlled steel lock nuts, which are designed to provide reliable locking performance through prevailing torque. This standard covers property classes including 04, 05, 5, 6, 8, and 10 for...