... Din931/933/975 2.Finish:Self Color,Black,Teflon Coating(PTFE) Black, White,Blueness Zinc,Nickel Plating 3. ... class 8.82. UNC, 2A, grade 2, grade 5, ASTM A193 B73. Size: M6 to M50 or ... 4000mm or 2 to 12' (12 feet) 5. Finish: Plain, black ,zinc plated, hot dip galvanized.HEX BOLTMaterial: ASTM ... 7980.Finishing (Surface): Self Color, Xylan. Black ,Teflon Coating (PTFE) Black, White or Blueness Zinc (Cr.3 or ...