Standard: DIN Name: Hex head screw Model: 8.8 grade, Hardness range: 32 - 36 HRC. Material/Finish: Carbon steel Thread Types: Fine thread Tolerances: Standard tolerance Measures: 3/4 X 3 3/4 Long, fine thread. Nuts: Square nuts. Washers: Split lock washers. Quantity: 1200 pieces each. Show More