Adjustment Bolt Bolt Material Steel Bolt Finish Zinc Plated Center Hole Dia 5.50mm Use with Screw Size M5 Bolt Thread Size M15x1 Bolt Outside Dia 25.00mm Min Bolt Height 28.00mm Max Bolt Height 43.00mm Shoulder Height 5.00mm Spanner Notch Width 4.00mm Spanner Notch Depth 2.00mm Max Down Force 40 kN