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。
We want to buy all Steel, Stainless Steel Fastener, Standed and Non Standand Fastener, Screw, Washer Fasteners.
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。
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.
垫圈，设有垫圈的紧固件，紧固物体用的方法和动力工具。
Washer, fastener provided with a washer, method of and power tool for fastening objects.
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