头(oval head)、六角头(hexagon head)、六角垫圈头(hexagon washer head)、P 垫圈头 (pan washer head) 等，但其并非用以限定本发明的范围。
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Hexagon head bolts 六角头螺栓 ; 螺栓 ; 六角螺栓 ; 六角头
hexagon head screw 六角头螺钉 ; 六角头螺丝 ; 六角头螺栓
hexagon head triangular screw 外六角三角牙螺钉
hexagon head bolt 六角头螺栓
Hexagon head wood screws 六角头木螺钉 ; 六角木螺丝
Hexagon head tapping screws 六角头自攻螺钉
Hexagon Head Lag Screws 六角木螺丝
screw with hexagon head 六角头螺钉
Hexagon head thread forming screws 六角头自攻锁紧螺钉
Specification of high strength bolts with large hexagon head, large hexagon nuts, plain washers for steel structures.
钢结构用高强度大六角头螺栓，大六角螺母，垫圈技术条件。
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。
Undo hexagon-head bolt on universal joint.
旋开万向节上的六角头螺栓。
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