Carbon steel flat head hexagonal inverted edge screw oxidized black half tooth full tooth flat head screw

Carbon steel coated with colored zinc/solid wood furniture screws/flat round head with inverted hexagonal edges

304 stainless steel/concave end tightening/stop payment machine screw/black zinc plated hexagonal socket/headless

304 stainless steel spring rubber head plunger Kimi screw hexagon socket set screw

304 stainless steel/British concave end tightening Kimi screw/American hexagon socket without overhead wire

304 stainless steel straight pointed Kimi slotted set screw headless cone end machine meter