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|Black zinc plated Gr4.8 8.8 Hex Head Set Screws (DIN7990 DIN558)
|DIN,ASTM/ANSI JIS EN ISO,AS,GB
|Stainless Steel: SS201, SS303, SS304, SS316,SS316L,SS904L
|Zinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG) phosphorization,Black Oxide,Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated
|Busy season:15-25days,Slack seaon:10-15days
|Get Free Samples for standard fastener from Gangtong Zheli Fastener
|For more information visit:www.gtzlfastener.com
he set screw is widely used, so it is a kind of screw for fixing the relative position of the machine. In use, the set screw is screwed into the screw hole of the machine to be fixed, and the end of the screw is pressed against the surface of the other machine, even if the former part is fixed on the latter part. Slotted and hexagon socket set screws are used on the parts where the nail head is not allowed to be exposed. The square head set screws are suitable for the nail head to allow the exposed parts.
Black zinc plated Gr4.8 8.8 Hex Head Set Screws (DIN7990 DIN558)