Brass Set Screw,Antique 1.ANSI,CE,DIN,BS& non-standard fastener supply 2. ... .8,8.8,9.8,10.9...... Brass Set Screw,Antique Brass Screws,Brass Screw Plug . 1.What’s the specification ... used in most of places such as drywall,concrete,chipboard,machine,wood...2)Main export market:North America,South America,Eastern ...