【Product Dimension】 Thread specification: M6; Screw length: 20mm/0.79"; Thread pitch: 1mm/0.04"; Thread length: 15.6mm/0.61"; Head diameter: 13.1mm/0.52"; Head thickness: 4.08mm/0.16"; Square neck width: 6.3mm/0.25" 【High-quality stainless steel】The carriage bolts are 100%(304) stainless ste...