The strength of a screw fastener increases with the square of its diameter.
螺丝紧固件的拉张力随其径长呈平方增长，其扭矩则呈立方增长。
Fracture analysis of screw fastener was carried out by means of metallography and scanning electron microscope.
采用光学显微镜、扫描电镜等测试手段，对断裂紧固螺钉进行了分析。
The invention generally relates to a drive socket and more particularly to an improved drive socket design for fixation and a screw fastener.
本发明一般地涉及驱动套头，并且更具体地涉及用于固定及螺丝紧固件的经改进驱动套头设计。
Bolted joints can be readily disassembled and reassembled; hence Bolts or screw fasteners are used more than other types of mechanical fastener.
螺栓连接易于装、拆；因此，螺栓或螺纹件紧固件较其它机械扣件用得更广。
The paper discussed harm, reason, measures, and application of screw fastener connection loosening, in order to attach importance to this problem.
本文就螺纹紧固件连接松动的危害、原因，防松措施及其应用等进行了探讨，以抛砖引玉，引起人们对该问题的重视。
Screw: In machine construction, a usually circular cylindrical member with a continuous spiral rib or thread, used either as a fastener or as a force and motion modifier.
螺纹件：机器结构中带连续螺旋肋的圆柱形件，用作紧固件或力和运动变换装置。
The utility model relates to a connecting fastener, which is a screw for preventing stealing by disassembly.
本实用新型涉及一种连接紧固件，是一种可防止被盗拆的螺丝。
The specialty is engaged in produces the fastener, the stainless steel standard letter, each kind of non-sign screw, hardware pressing part.
专业从事生产紧固件，不锈钢标准件，各类非标螺丝，五金冲压件。
We want to buy all Steel, Stainless Steel Fastener, Standed and Non Standand Fastener, Screw, Washer Fasteners.
我们要采购所有的钢，被站的不锈钢紧固件，紧固件，螺丝钉，垫圈紧固件。
See roofing data sheets for screw details, fastener frequency, etc.
关于螺钉、紧固件数目等详情请参看屋面数据表。
A fastener screw rod-nut disassembly machine pertains to the technical field of building construction tools.
扣件螺杆-螺母拆卸机，属于建筑施工工具的技术领域。
A fastener screw rod-nut disassembly machine pertains to the technical field of building construction tools.
扣件螺杆-螺母拆卸机，属于建筑施工工具的技术领域。
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