... ASME, ASTM, IFI, JIS, AS, DIN, ANSI Material Low Carbon Steel, Alloy Steel hex nuts Feature: 1) Standards: DIN934 & ANSI B18.2.2 ... & JIS B11812) Material: carbon steel ,SS304 or SS 3163) Size: M4-M24,1/4"--1 ... ,LC Or Weston Union 9)Delivery: 30 days or depend on the qty