The size of flange nut and general hex nut is basically the same as the thread specification, but compared to hex nut, it is a one-piece gasket and nut, and there are anti-skid teeth underneath, which increases the nut and workpiece Compared with the combination of ordinary nut and washer, it is stronger and more tensile.
Generally, the specifications of common flange nuts are generally below M20. Because most flange nuts are used on pipes and flanges, they are restricted by the workpiece, and the specifications of flange nuts are less than that of nuts. Most of the flange nuts above M20 are flat flanges, that is, there is no tooth pattern on the flange surface. Most of these nuts are used in some special equipment and special places, and the general sales manufacturers do not have the spot.
The basic knowledge of flange nuts is introduced as follows
Flange nuts are made of iron and stainless steel. But iron is more commonly used. It can also be electroplated according to the color required by the customer. General electroplating treatment has environmental protection and non-environmental protection. There are environmentally friendly color zinc, environmentally friendly nickel, environmentally friendly blue zinc, environmentally friendly black zinc, etc., as well as ordinary electroplating, white zinc, color zinc, black zinc, white nickel, etc.
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