Foshan Thumbs-Up stainless steel co.,Ltd is a set of stainless steel sheet and stainless steel coil as one of the supporting manufacturers.

300 series stainless steel a brief description about industrial fasteners

by:Thumbs-Up     2019-08-02

The fastener is a very small part that is the most needed hardware when connecting multiple objects.Basically, the characteristic of the fastener isPermanent used to fasten or loosen without damaging the surrounding environment.Standard measurement of fasteners: the important specifications of fasteners are head type, bolt diameter, Bolt thread per section and Bolt length.Fasteners are measured by length, diameter and number of threads.The fasteners are small and the threads are so thin.The length of the fastener is measured with a handle, excluding the head.The diameter is usually measured from the outside with the width of the screw.Again, the thread count is measured by the thread per inch (TPI.Industrial Fastener Materials: according to industrial standards, the varieties of steel fasteners used in work are stainless steel fasteners, carbon steel fasteners, alloy steel fasteners.The operating grades of stainless steel fasteners are 200, 300 and 400 series.Other basic materials of fastener structure are titanium, aluminum and other alloy metals.In some special cases, plating or coating will be applied in order to improve the performance.The paint coating adds additional corrosion resistance to the fasteners, providing durability for any building.Typically, the coating uses zinc, zinc chromium, cadmium, heavy chromium cadmium or hot-dip zinc codes.When choosing the right fastener, you should know the purpose of the requirement and the details of the application.Reusable type of fastener head: the shape of the fastener head is different, and the design has different patterns.The available head patterns for fasteners are flat, oval, Pan, truss, hexagonal water, slotted hexagonal gasket, Hex, socket cap, Button, round, etc.Type of fastener thread: the basic variety of thread is based on uniform thick or thin inch, measured thick or thin.There is a certain difference between thick and thin lines.The thread density per inch of the thick line is less than the thin line.They have better impact resistance and higher corrosion resistance than thin wires.Thin lines, on the other hand, are suitable for cross-threaded assemblies.They are 10% stronger than the rough ones.Fastener strength grade: the grade or grade of the fastener refers to the mechanical strength of the fastener.The higher the grade, the stronger the fastener, the more fasteners.Therefore, the Grade 8 fasteners are the hardest, the grade 5 is medium, and the Grade 2 is softer than other fasteners.Class 8 is suitable for heavy equipment, industrial or manufacturing requirements.On the other hand, Class 5 is compatible with automotive manufacturing.Grade 2 is usually used for household equipment such as fastening screws, machine nuts, etc.There are some simple marks that can help identify the grade of the fastener.There are at least 6 lines on the head in the eighth grade, while there are 3 lines on the head in the fifth grade, and there are no lines in the second grade.
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