Ключевые слова:
Mechanical properties of materials, Dimensions, Separating parts, Threads, Grades (quality), External-thread fasteners, Fasteners, Steels, Hardness, Performance, Surface treatment, Designations, Dimensional tolerances, Self-tapping screws, Threaded fasteners, Screws (bolts), Diameter, Washers, Thickness, Classification systems, Acceptance (approval), Holes