1. Size: M4-M52, 3/16"-2" 2. Length: 30mm-3000mm 3. Class: 4.8,5.8,8.8,12.8 1) StandardFeatures: B7 B8 B8M DIN 975, DIN 976A, , UNC ROD, BSW ROD2) Size : M3-M56, UNC 6#-2", BSW 3/16"-2" Length : 1000-3000mm,3-12 feet 3) Material : stainless steel, low carbon steel, carbon steel, alloy steel 4) Grade : 4.8,5.8,8.8,12.8 5) Surface : Plain, Black, Zinc Cr+3,Yellow Zin c Cr+6, H.D.G. We not only make ...