... hex nut: DIN, ANSI,BSW, JSB ans ISO standard or non-standard as request & design.2. Material:Carbon steel( ... require3. Grade of Galvanized hex nut:4. Metric standard: Grade 4.8, Grade6.8, Grade8.8, ... Grade10.9,Grade12.9.5. Inch standard: Grade2, Grade5, Grade8, B7.6. Grade of S ... : M3-M48 or as reqeust.8. OEM & Customize non-standard products welcome.9. Surface: Plain, black finished, Zinc ...