
Fasteners—Hexagon socket screw—Part 4: Hexagon socket button head screws with collar and reduced loadability
NORMA vydána dne 31.10.2025
Designation standards: GB/T 70.4-2025
Note: K dispozici od: únor 2026
Publication date standards: 31.10.2025
Country: Chinese technical standard
Kategorie: Technické normy GB