18 Years Factory Self Tapping Screws For Steel - ISO7380 Hexagon socket screws with flat round head 8.8 10.9 12.9 Grade – Dashan Detail:
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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Our business aims to operating faithfully, serving to all of our clients , and working in new technology and new machine continuously for 18 Years Factory Self Tapping Screws For Steel - ISO7380 Hexagon socket screws with flat round head 8.8 10.9 12.9 Grade – Dashan , The product will supply to all over the world, such as: South Africa, Angola, Lithuania, Further, we are supported by highly experienced and knowledgeable professionals, who have immense expertise in their respective domain. These professionals work in close coordination with each other to offer our clients an effective range of products.
The factory technical staff gave us a lot of good advice in the cooperation process, this is very good, we are very grateful.
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