... :Brass,Carton steel,Stainless steel,Alloy Specifications1. Item# JL-SCR-026 screws2. Size: PB 1.7*63. Finish: zinc-platingMaterialBrass, Carton ... of drive insertsPhillilps, Slotted, Pillips/slotted combination, Cross recess type, H drive, Hexagon socket, Square socket, Torx, Triangle drive, Indented hexagon ... .www.jielimetal.com.cn Custom Brass Round Nut JL-SCR-026