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Mechanical Performance Standards for Torque-Controlled Steel Lock Nuts per 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...

มาตรฐานทางเทคนิคสำหรับตัวยึดในช่วงอุณหภูมิ -200℃ ถึง +700℃ ตามมาตรฐาน 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...

Mechanical Performance Standards for Self-Tapping Screws per GB/T3098.7-2000

GB/T3098.7-2000 specifies the mechanical properties of self-tapping screws made from carburized steel. This standard ensures that these fasteners meet rigorous performance criteria for applications requiring reliable threading and strength. Below, we detail the key...