Finish Hex Nut Size:1/4'"-1-1/2"; M6-M42 Material: Carbon Steel ... Nut Standard: ASME/ANSI B18.2.2; DIN934, DIN555 etc.Size: 1/4''–1-1/2’’; M6 – M42Material: Carbon Steel, Alloy ... .2H,2HM,4Class:4, 5, 6, 8, 10,12Size: Inch Size; Metric SizeThread: M, UNC, UNFFinish: Plain, Black, Zinc Plated/ZP, Yellow ...