Product description:available in customized sizes & specification.Confirming din, astm, bs and all international standards.Available in metric and inches sizes specifications. Astm specifications : a193 gr. B7, b8, b8m, b6, b8t, b8c , a194 gr. 2h, g8, 8m, 8c, 8t. Stainless steel fastener : ss310310s , 321 , 347 , 317l , 410 , 420 , 904l , duplex 2205 , super duplex 2507. Nickel alloy fasteners : monel alloy 400 , monel alloy k500 , hastelloy c276 , inconel 600 , inconel 625 , inconel 718 , inconelincoloy 800 , inconelincoloy 825. Other grade : copper , brass , aluminium , titanium , nichrome , aluminium bronze , phosphrous bronze .more types available : hot forged and cold forged fasteners. Finish : bare condition , black oxide , galvanised , hot dip galvanised , cadium plating , nickel plated , chrome plated , electro polish , teflon , xylon , powder and many more as per cusomers requirement.