Mushroom head square neck bolts 1.Size:M2~M42 LTH20-200 ... bolt:DIN,GB,ANSI,BS 3.surface;zp,black,hdg Mushroom head square neck bolts1.Size:M2~M42 LTH20-2002.high ... ,GB,ANSI,BS and special spec according require.6.packinga) In small box: 2~5kgs/box, 2~10boxes/carton, 36~48cartons ... /Pallet.b) In bulk Packing: 25KGS/CARTON, 36 or 48 cartons/Pallet.7 ...