无头螺钉 headless screw ; grub screw
无头定位螺钉 headless set screw
无头止动螺钉 headless setscrew ; headle setscrew
开槽无头轴位螺钉 Slotted shoulder screws
开槽无头螺钉 Slotted headless screws with shank
带槽无头止动螺钉 slotted headless set screw
无头轴肩螺钉 headlessshoulderscrew ; headless shoulder screw
有柄开槽无头螺钉 Slotted headless screws with shank
开槽无头轴肩螺钉 slotted shoulder screws
无头螺钉螺纹 grub screw thread
因磨腔内无滚动轴承、无螺钉，所以不存在轴承及其密封件易损的问题，不存在螺钉易松动而毁坏机器的问题。
There are no rolling bearings and bolts in grinding cavity, so problems caused by bolts shedding or wear of bearings and seal components will never happen.
产品包括：螺栓、螺钉、螺柱、U型螺栓、预装配的螺钉和垫片组件以及与预装配组件一样加工的无垫圈产品。
Products included are bolts, screws, studs, U-bolts, preassembled screw and washer assemblies (sems), and products manufactured the same as sems except without washer.
术后6个月复查X射线片示全部病例植骨融合良好，无钛板或螺钉松动或断裂现象。
In the postoperative 6th month, X-ray image showed that all the patients had good bone graft fusion, and no Titanic plate or bolt loosening or fragmentation was found.
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