German brake drum hub assembly
※The iron mold is covered with sand casting process, the product casting defects are small, the surface is beautiful, and the strength is high. ※The machining center has high surface precision and precise position. ※The high-strength tire bolts are made of 35CrMo material with a performance level of 10.9, and the nut is made of 40Cr material with a performance level of 10.
German brake drum hub assembly