Cap square Head Bolt Standard: Din603 Finish: Zinc plated Grade:4.8,5.8,6.8,8.8,10.9 Cup Square Bolts Standard:DIN, ANSI, BS ... :8mm - 200mm,5/16 - 8Thread: mm, UNC UNF BSWGrade:4.8 5.8 6.8 8.8 ,10.9 Finish: Plain, Zinc Plated, HDG Packing: small ... , bulk packed(max 25kgs) then on wood pallets with EURO size or according to customers' requirements High Tensile Carriage Bolt ...