... 1.torx screw 2.Material:SUS304,316 3.Finish: degreased truss head torx machine screw Quick Details Place of Origin: ... H68,H70,H90etc.4.Bronze:C51000,C52100,C54400,etc.5.Iron:1213,12L14, 1215,etc.6.Aluminum or aluminus alloy: ... sales.Quality control system1quality certificate: ISO9001:2008 UKAS, ROHS,compliance2quality system: ISO standard, 100% whole range inspection through the production3inspection ...