... . OEM & Customize non-standard products welcome.6. Surface treatment: Plain, black finished, Zinc plated, Hot Dip Galvanized.7. Packing of ... .8, 10.8and12.9; inch grade:gr2 and gr5Surface treatment:Plain, zinc plated, yellow zinc plated, HDG, blackStandard:DIN934, ISO4032, ... .30M20DIN93430.0029.5532.9516.0014.903)Drawings4) Product list5)Factory:6) Packing:7) Office building:8) Certification:9) Shipping ...