... Detail:plastic bag + carton boxDelivery Detail:base on orderSpecificationstruss head torx machine screw1.torx screw2.Size:M2-M83.Material:SUS, aluminum, ... copper 4.Standard:DIN,ANSI/ASME,ISO,GB Available material1.Stainless ... alloy:H63(CuZn37,C2720); H65; H68(CuZn33),H68,H70,H90etc.4.Bronze:C51000,C52100,C54400,etc.5.Iron:1213,12L14, 1215 ...