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DIN6921 Grade 10.9 High Strength Steels ASME B 18.2.1 Hex Flange Screws
Flange screws are a type of fastener consisting of a hexagonal head and a flange plate (the gasket under the hexagonal is fixed with the hexagonal) and a screw (a cylinder with an external thread), which needs to be matched with a nut. , used to securely connect two parts with through holes.
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Application:
Sifang mother, hardware equipment, fastening accessories. It has a square shape with internal threads and can be used with bolts. Also known as a square nut, Mostly used in construction, building materials, home improvement, industrial and mining, transportation, power and other industries. Sifang mother is a nut type hardware product, with small size, different specifications and large demand.
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