coarse thread

基本解釋

Drywall screws, Phillips bugle head, Coarse Thread, Sharp point, black phosphated.
干墻螺絲，十字喇叭頭，粗紋，尖頭，磷化黑色。
cwkl-ua.cn.com51.com
The bone anchors can be fully threaded and can have fine thread and coarse threads for engaging cortical and cancellous bone tissue, respectively.
骨錨可完全插入，具有分別用于嚙合皮層骨和松質(zhì)骨組織的細(xì)螺紋和粗螺紋。
ip.com
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.
通過對一種帶有內(nèi)螺紋的酒瓶蓋的結(jié)構(gòu)分析，闡述了采用大導(dǎo)程螺桿和螺母機(jī)構(gòu)實(shí)現(xiàn)螺紋型芯自動(dòng)旋轉(zhuǎn)脫模的設(shè)計(jì)過程及其工作過程。