Hexagonal head bolt half threaded ---DIN931
Material:1)low-carbon steel Q235, class(mechanical property):4.8,5.8,8.8,10.9,surface treatment:Zinc plated,hot dip galvanized,black,plain
2)stainless steel AISI 304(A2),AISI 316(A4),AISI 200,AISI 201
Standard:DIN931,GB5782-86,ISO4014-79
Size:M5X25-M5X50,M6X25-M6X60,M8X40-M8X100,M10x45-M10x120,M12X45-M12X120,M14X60-M14X200,M16X60-M16X200,M18X60-M18X200,M20x70-M20x220

Packing:in bulk,15-25kgs per carton,then on pallet or small box or according to customers requirement