... :MM,UNC,UNF,.. Standard: DIN 933/931/912,DIN 960/961,IS0 4014/4017/4032,ANSI/ASME B18.2.1 ... Dacromet, etc.Packing: bulk, box packing, in carton with pallets ,according to customer requirement .Delivery Lead Time:30-45daysPayment ... screw, self drilling screw; Hex nut, hex flange nut, nylon insert lock nut, hex cap nut, slotted nut, cage nut, rivet nut; Flat washer, spring washer, conical lock washer ...