... 1) SpecificationsCarbon Steel hex nut 1.Delivery time: 45days 2.OEM: manufacturer 3.Standard: DIN934, ISO4032, ANSI4.Certificate ... nut: Grade 4.8, Grade6.8, Grade8.8, Grade10.9, Grade12.9. Inch standard: Grade2, Grade5.4. Dimensions: M3-M485. OEM & Customize non-standard ... products welcome.6. Surface treatment: Plain, black finished, Zinc plated, Hot Dip Galvanized.7. Packing of hex nut: ...