... hex nuts black/BK, sizes from M4 to M56 MILD STEEL/MS DIN 934 hex nuts zinc black/ BK, ... Dia from M5 to M10, with different lengthMaterial: Mild Steel2) Flat and Spring Washers, matched with the nuts ... forming, with or without heat treatment7) Finish Treatment: Plain, Black, ZP ( white, bluish, Yellow), HDG8) Packing: In ... are always 100% money back guaranteed. MILD STEEL /MS DIN 934 HEX NUTS BLACK/ BK