六角头;
Hexagon socket cap head screws
GB/T70-1985内六角圆柱头螺钉
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。
Counterbore for hexagon socket head bolt
内六角头螺栓埋头孔
Hexagon head tapping screw and big washer assemblies
GB/T9074.23-1988六角头自攻螺钉和大垫圈组合件
Counterbore for hexagon socket head bolt Mechanical property requirements for studs shall be the same as those for bolts.
柱头螺栓的机械性能要求与螺栓相同。
Hexagon socket head shoulder screws
GB/T5281-1985内六角圆柱头轴肩螺钉
Hexagon head bolt and single coil spring lock washer assemblies
GB/T9074.15-1988六角头螺栓和弹簧垫圈组合件
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