All screw threads are according to aNSI B-1.1 coarse thread. 所有螺栓的螺纹都符合aNSIB-1.1粗牙螺纹标准。
Through analyzing of a bottle cover structure with inner thread, a type of screw and nut with coarse pitch was applied to realize thread core demoulding automatically. 通过对一种带有内螺纹的酒瓶盖的结构分析,阐述了采用大导程螺杆和螺母机构实现螺纹型芯自动旋转脱模的设计过程及其工作过程。
Mechanical properties of fasteners Thread forming screws Metric coarse thread series The Clinical Effection Evaluation Of Applying CDIC conical Spiral Implant In The Humble Knifing-posterior Of The Mandibular GB/T3098.7-1986紧固件机械性能自攻锁紧螺钉粗牙普通螺纹系列CDIC锥状螺纹种植体在下后牙区菲薄型牙槽骨的临床应用评价