hexagon socket head

基本解释

Hexagon socket head cap screws with countersunk head screws like.
角紧顶螺钉固定在底座上。
Hexagon bolts and nuts, hexagon socket head cap screws, thread bar, carriage bolts, Nylon lock hex nut, flat washer, fish bolt set, standard fasteners etc.
六角螺母，六角螺栓，自攻钉，牙棒等。非标件生产与出口。
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This paper introduces analysis on cracks in hexagon socket head bolts of ML35(B) cold heading steel wire rod which is made in Hangzhou Iron & Steel Group Company.
杭州钢铁集团公司生产的ML35（B）冷镦钢盘条，在镦制内六角螺栓时发生了开裂现象。