Ключевые слова:
Marking|Elongation|Testing conditions|Nuts|Construction systems parts|Proof loading|Chamfered|Sampling methods|Steels|Thread pitch|Bolts|Dimensions|Test specimens|Chemical composition|Threads|High-tensile steels|Mechanical testing|Threaded components|Washers|Hexagonal-head fasteners|Loading|Hardness|Design|SI system (metric)|Friction-grip bolts|Threaded fasteners