Adjustment Bolt Bolt Material Stainless Steel Bolt Finish Bright (Uncoated) Center Hole Dia 6.60mm Use with Screw Size M6 Bolt Thread Size M20x1 Bolt Outside Dia 32.00mm Min Bolt Height 41.00mm Max Bolt Height 55.00mm Shoulder Height 6.00mm Spanner Notch Width 4.00mm Spanner Notch Depth 2.00mm Max Down Force 43.4 kN