Screws Series
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ISO7380 Hexagon socket screws with flat round head 8.8 10.9 12.9 Grade
ISO7380 hexagon socket screw, a kind of hexagon socket screw, its head is flat round head, the middle is concave hexagon, called hexagon socket flat round head screw. ISO7380 flat round head hexagon socket screw is adopted the international standard ISO7380:1997, the standard specifies the thread specification from M3 — M16, performance grade 8.8, 10.9 and 12.9, belong to the high strength and high grade hex socket screw. Generally, the carbon content of carbon steel is used to distinguish low carbon steel, medium carbon steel, high carbon steel and alloy steel. 8.8, 10.9, 12.9 available in stock, other sizes can be customized.
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Wholesale price can be customized screw series
Dashan Company is a group company, under the control of a number of production workshops, our screws include round head screws, wood screws, dry wall nails, drill wire, all of the products can produce carbon steel and stainless steel.
