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中文简体Zinc-Plated Screw Self Drillings are an increasingly popular way to connect and frame components. Available in an array of sizes and materials to meet different applications, these screws offer reliable fastening that's often quite durable despite heavy force applied or using inappropriate screws - though potential issues with them can usually be easily rectified with knowledge.
Before discussing how a screw works, it's essential to grasp its basic composition. Each screw begins as an unruly piece of metal wire which has been straightened, cut, and shaped before possibly heat treating in order to increase strength and durability - this process involves heating it in a furnace in order to eliminate contaminants while locking in hardness.
Once heat-treated screws have been sent to a plating line for plating, they are given an electroplating or mechanical plating coating to protect them from corrosion and provide a finished look. Each of these processes uses different quantities of zinc which makes them appropriate for various environments and applications.
To use self-drilling screws effectively, it's essential that the correct size be selected for your application. Screws with longer points tend to penetrate thicker and harder materials more effectively than shorter points; to avoid breaking or damaging materials, their unthreaded section must penetrate completely through them before threads engage.
Some self-drilling screws feature wings to widen and create an easier path for threads to follow in their fastened material, making threaded attachment easier and minimizing stress on both surfaces. These are often designed for fastening wood or other thick materials to metal. As soon as contact has been made between the material and the screw head, the wings will break off to reduce stress on both surfaces.
Self-drilling screws may fail due to producing too much heat during operation. This may be triggered by the hardness of work material, applied force, and motor RPM; to extend its lifespan reduce either one.
Though there are countless fastener choices available to us today, when choosing fasteners it is essential to take environmental conditions into account when making our selection. Galvanized screws are best suited for outdoor applications while stainless steel should be considered if moisture or corrosion is an issue. In addition, your choice of head can impact how easily you are able to drive your screw home: for instance, hex washer heads spread holding pressure evenly while flat head screws may be better for connecting components with limited spaces such as drywall.
Zinc-plated drill-tail screws
