Hexagon head bolts Din 931 8.8 Plain M 27 x 100 - 500 pcs M 27 x 120 - 500 pcs M 30 x 110 - 1000 pcs M 30 x 130 - 500 pcs M 30 x 200 - 100 pcs M 36 x 180 - 700 pcs small box + 3.1 certificate