EC21 Product Catalogs - a2 70 bolt http://www.ec21.com/ec-market/a2 70 bolt.html Hdg Hex Boltshttp://baouniya.en.ec21.com/Hdg_Hex_Bolts--710285_2751867.htmlBOLTS COMPLEE WITH NUTS , PLAIN WASHERS, SPRING WASHERS AS FOLOWS : A1- 20X600/250 , QTY= 1000 A2- 20X300/70 , QTY= 25020080416