Hex nuts: 1)Standards: DIN934 & ANSI B18.2.2 & JIS B1181 2)Size: M2 to M64, 1/4" to 3" 3)Mild steel, C1035 & C1045, 35K & 45K Feature of hex nuts:1) Standards of hex nuts: DIN934 & ANSI B18.2.2 & JIS B11812) Size: M2 to M64, 1/4" to 3"3) Material: Mild steel, C1035 & C1045, 35K & 45K4) Gr6, Gr8 & Gr10, 2H5) Finish: plain, Z/P, hot dip galvanizing, blackening6) M2 - M36: made by cold heading; M39 ...