Features: 1) Ordinary standard 8.8 / 10.9 / 12.9 2) HRC33-44, heat treatment 3) Meets GBT/DIN standards 4) Finish: flange, zinc plated, phosphate, Dacromet 5) We can make products strictly according to client's requirement (drawings or samples) 6)As a manufacturer, we can promise to make all the goods only by ourselves. 7)The delivery of goods can be punctual and exactly. Packing: Cartons+Pallets