... .4. Dimensions: M3-M485. OEM & Customize non-standard products welcome.6. Surface treatment: Plain, black finished, Zinc plated, Hot Dip Galvanized ... -1/2''Material:Carbon steel, Q195, 35KNut Grade:Class4.8, 6.8, 8.8, 10.8and12.9; inch grade:gr2 and ... .30M20DIN93430.0029.5532.9516.0014.903)Drawings4) Product list5)Factory:6) Packing:7) Office building:8) Certification:9) Shipping: