... . Surface: Black, ZP, HDG 3. Grade: 4.8,6.8,8.8 4. Standards: DIN933 Hexagon Nuts and Bolt1. Material: 35k,q235, c10102. Surface: Black ... , ZP, HDG3. Grade: 4.8,6.8,8.84. Standards: ... DIN933/931/960/961/558Grade4.6;4.8;5.8;6.8;8.8 Standard1) DINDIN933;DIN931;DIN934 ...