- BOLTS (for drop in spans) hot dip galvanized (cls 10.9) +1 washer M12X35MM....................140 sets with standard SR EN 14399-3:2005, SR EN 14399-4:2005 si SR EN 14399-5:2005 For this we need certificate 3.1 in agreement with EN 10204 -BOLTS (for vehicle parapet) hot dip galvanized(cls 4.6)+1washer M20X40mm 1360sets with ISO898-1:2013 For this we need certificate 2.2 in agreement with EN10204 -BOLTS(for cable clamp) hot dip galvanized (cls 4.6) M20X30 mm 50PCS with ISO898-1:2013 Also we need certificate 2.2 in agreement with EN10204 (This screws will be used for suspension bridge , that why it must be whit the certificates)