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...

Стандарты механических характеристик самонарезающих винтов в крепежных изделиях

Introduction This article details the mechanical performance standards for self-drilling tapping screws as outlined in GB/T 3098.11-2002. These standards ensure the reliability and functionality of self-drilling screws in fastening applications, covering materials,...

Technical Standards for Fasteners in the Temperature Range of -200℃ to +700℃ According to GB/T 3098.8

Introduction GB/T 3098.8 specifies the mechanical properties, materials, testing, identification marks, and markings for fasteners used in bolted connections operating within the temperature range of -200℃ to +700℃. This standard applies to bolts, screws, studs, and...