... :JIS,ANSI,DIN,BSW,ISO,GB Specifications1. Item# JL-SCR-010 screws and nuts2. Finish: natual anodizingMaterialBrass, Carton steel, Stainless steel ... :ISO 9001:2008 and RoHs compliance,Non-standard fastener orders are welcomed!Our fastener products are wildly used in cameras, glasses, timekeepers ... productswww.jielimetal.com.cn ISO 4032 Hex Nut JL-SCR-010