由 epkr | 12 月 23, 2025 | 技术文档和参考资料
Introduction ISO 4762-2004 specifies the characteristics of hexagon socket head cap screws with coarse pitch threads, ranging from M1.6 up to M64, and product grade A. This standard is essential in mechanical engineering for ensuring reliable fastening in various... 由 epkr | 12 月 22, 2025 | 技术文档和参考资料
GB 944.1-1985: Cross Recesses for Screws Standard Introduction This standard, GB 944.1-1985, specifies the dimensions and requirements for cross recesses used in screws, including Phillips-type designs. Cross recesses are essential in fastening applications, providing... 由 epkr | 12 月 22, 2025 | 技术文档和参考资料
GB/T 6188-2017 Hexalobular Internal Drive for Bolts Introduction The hexalobular internal driving feature, commonly known as Torx or hexalobe, enhances torque transmission and reduces cam-out in fasteners. This design is critical in high-performance applications... 由 epkr | 12 月 22, 2025 | 技术文档和参考资料
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... 由 epkr | 12 月 22, 2025 | 技术文档和参考资料
GB/T 6172.2-2016 Hex Thin Lock Nuts Non-Metallic Insert 1. Introduction Hexagon thin lock nuts with non-metallic inserts are essential fasteners in mechanical engineering, providing reliable locking mechanisms to prevent loosening under vibration. The GB/T 6172.2-2016... 由 epkr | 12 月 22, 2025 | 技术文档和参考资料
GB/T 3103.3-2020 Flat Washer Tolerances Guide Tolerances for Flat Washers 1. Introduction Flat washers play a critical role in fastening systems by distributing loads, preventing surface damage, and ensuring assembly integrity. The GB/T 3103.3-2020 standard specifies...
