Hex Nut 1.Standard: DIN,ISO,JIS,AISI; 2.Size: M3-M56; 3.Material: Steel,SS,Brass; 4.Grade: ... ,8,10.. Hex Nut DIN934, DIN6921,1.Standard: DIN934, IFI D-6 2.Material: 1010, 1035; 3.Size: M6-M30, 1/4 ... "-1" 4.Finish: plain, black, zinc plated, H.D.G. 5.Packing ...