... standards or as per drawings fastener: We can manufacture different kinds of hex bolts accoring to several standards or as per ... screws/ lag screws. Dia from M5 to M10, with different lengthMaterial: Mild Steel2) Flat and Spring Washers, matched with the ... carbon steel4) BoltsHEX BOLTS, CARRIAGE BOLTS,Sizes: M6--M30 with different lengthsStandard: DIN933/931 DIN 603 DIN558 ISO4017 ISO4018; Grade: ...