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Carbon steel countersunk head self drilling screw,spring steel,Iron,size & finish can OEM.
1.Material:spring steel, stainless steel..
2.Size and finish:According to the drawing request.
3.Application:Widely used in steel structure engineering, metal food plastic machinery, oil equipment, vessels, boilers, mould, railway highway Bridges, power plants and all kinds of pipe installation and used in construction, decration and integrated ceilling,etc.