Elevator anchor bolt 1.Material:Q235, Alloy steel, SS 2.Standard:DIN ... ISO 3Grade:4.8,5,10.9,12.5 Elevator anchor Bolt1. Material:Carbon steel, Alloy steel, stainless steel. 2 ... 9.4. Length :16-200mm.5. Finish:Plain, black finished, Zinc plated (Galv), Hot Dip Galvanized, Nickel, phosphate black, DACRO, etc. ... further question please contact woth me elevator expansion anchor bolts with nuts and washers