Hexagon nut; OEM from China; Certification:ISO14001 ISO9001 SGS Specifications Hexagon nutProcess Capablilities Standard ISO, GB, DIN, JIS, ... . Size M0.8~M12 Material Stainless, Steel,Brass, Steel,Bronze, Iron,Aluminum,Carbon steel,Alloy steel, silicon bronze,etc. Head/Tread ... are made of titanium, copper, aluminum, iron, stainless steel and so on. Through our modern manufacturing technology, ongoing ...