... of hex nut: DIN, ANSI,BSW, JSB ans ISO standard or non-standard as request & design.2. Material:Carbon steel( T40,T45 ... ), Alloy steel, stainless steel( SS304 A2,SS316 A4 etc), Brass or according require3. Grade of Galvanized hex nut:4. Metric standard ... , A4-70, A4-807. Size: M3-M48 or as reqeust.8. OEM & Customize non-standard products welcome.9. Surface: Plain, black finished ...