1.Surface finishing: self color, electro galvanized, hot dip galvanized, black 2.Standard: DIN, ASTM, JIS, BS, AS, GB, nonstandard bolt (according to your order). 3.Material: carbon steel 4.Grade: 4.8/6.8/8.8/10.9/12.9 5.Size: M3-M100 6.Supply ability: 1000 tons per month 7.Packing first by plastic bags and then by carbon, then by pallet 8.Delivery lead time: usually is 20-30 days, also depends on your quantity
