Adjustment Bolt Bolt Material Steel Bolt Finish Zinc Plated Center Hole Dia 33.00mm Use with Screw Size M30 Bolt Thread Size M50x1.5 Bolt Outside Dia 70.00mm Min Bolt Height 66.00mm Max Bolt Height 106.00mm Shoulder Height 11.00mm Spanner Notch Width 6.00mm Spanner Notch Depth 2.50mm Max Down Force 330 kN