Flat countersunk double nib bolts 沉头双榫螺栓
Double End Bolts 双头螺栓
DOUBLE HEAD BOLTS 双头螺丝
T-head bolts with double nib 带双凸边的T形头螺栓
T-head Bolts With Double Nip T型双接头螺栓
The utility model relates to a rear locked basket post. An extension flex part is arranged on an inclined beam and fixed with a back stay by double bolts.
后锁紧式篮球架，斜梁具有延长并向下折曲部分，延长折曲部分与后拉杆由双螺栓固定。
Internal bolts subject to vibration, fluctuating load, impact load or dynamic load shall be protected against loosening. Double nuts, unti-loose washers, tack welding, etc. shall be used.
可能受到振动、波动载荷、冲击载荷或动力载荷的内部螺栓应加以保护防止松动。可采用双螺母、防松动垫圈、点焊等。
Parts with threads used for joining and fastening are called screw fasteners. The most widely used components as screw fasteners are bolts, double screw bolts, screws, nuts, washers.
用螺纹联接并起紧固作用的零件称为螺纹紧固件。常用的螺纹紧固件有螺栓、双头螺柱、螺钉、螺母、垫圈等。
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