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1·Tighten the inner hexagon bolt whose function is to prevent valve disc from rotating and breaking the springs.

拧紧防止阀板转动的内六角螺栓，其作用是防止阀板转动拧断弹簧。

2·Our products are: Ji Da brand hexagon bolt, 10.9 steel bolts, anchor bolts, weld screws, drilling screws, rivet, bolt.

公司生产的产品有：“冀达”牌六角螺栓、10.9级钢结构螺栓、地脚螺栓、焊钉、钻尾钉、拉铆钉、膨胀螺栓。

3·EN14399-4:2005 High-strength structural bolting assemblies for preloading-Part 4: System HV-Hexagon bolt and nut assemblies.

预载荷高强度结构螺栓连接副-第4部分：HV系统-连接副的螺栓和螺母。

4·Outer hexagon bolt in the bolt where the most frequently used type of one of its own external thread of the main function is to tie in with the nut.

外六角螺栓是在螺栓种类里使用最频繁的一种，它所拥有的外螺纹的主要功能是与螺母配合。

5·He presses the bolt against a small hexagon tattooed on his forearm. The sizes match.

他把螺栓压在他前臂的一个小六边形纹身上。大小匹配。

6·Undo hexagon-head bolt on universal joint.

旋开万向节上的六角头螺栓。

7·Steel Series: steel with high strength large hexagon head bolts, torsion shear bolt connections made, the steel truss joints of high strength bolts, studs, drill the end of wire.

钢结构系列：钢结构用高强度大六角头螺栓，扭剪型螺栓连接副，钢网架球节点用高强度螺栓，焊钉，钻尾丝等。

8·He presses the bolt against a small hexagon tattooed on his forearm. The sizes match. article...

他将螺钉与他前臂的一个小六边形纹身比了比，尺寸是一样的。