supply of allen bolt, part no: m20x45 mm . specification : conforming to is : 2269, din 912, iso : 4762, threads : iso metric, 5g6g as per is : 4218, material : special grade alloy steel, mechanical properties : property class 12.9 as per is : 1367, note : size in brackets are non-preferred standards shaded sizes are fully threaded, finish : blackened and coated with rust preventive oil. make: tvs/ unbrako/ lps or similar.allen bolt, part no: m20x45 mm . specification : conforming to is : 2269, din 912, iso : 4762, threads : iso metric, 5g6g as per is : 4218, material : special grade alloy steel, mechanical properties : property class 12.9 as per is : 1367, note : size in brackets are non-preferred standards shaded sizes are fully threaded, finish : blackened and coated with rust preventive oil. make: tvs/ unbrako/ lps or similar.,allen bolt, part no: m20x45 mm . specification : conforming to is : 2269, din 912, iso : 4762, threads : iso metric, 5g6g as per is : 4218, material : special grade alloy steel, mechanical properties : propert y class 12.9 as per is : 1367, note : size in brackets are non-preferred standards shaded sizes are fully threade d, finish : blackened and coated with rust preventive oil. make: tvs/ unbrako/ lps or similar. [ warranty pe riod: 30 months after the date of delivery ]