A Nut that attaches the Axle Beam to the sub-frame. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Suspension Leaf Spring. A solid metal or plastic block with a threaded hole in the center which is used to tighten or adjust the Suspension Strut Fork. Mounting Nut For Suspension Shock Absorber. Suspension Control Arm Nut. Suspension Strut Mount Nut. Suspension Strut Nut. Suspension Trailing Arm Nut. Tow Hook Nut.