... :Brass,Carton steel,Stainless steel,Alloy Specifications1. Item# JL-SCR-026 screws2. Size: PB 1.7*63. Finish: zinc-platingMaterialBrass, Carton ... plating, Tin-plating, Passivate, Oxidation, Phosphorization, Radiant PlatedStandardsJIS, ANSI, DIN, GB, ASME, BSW, ISOProcess Heading, Threading, Angle-cutting/Slotting, Heat treatment ... .www.jielimetal.com.cn Custom Brass Round Nut JL-SCR-026