Replacement Sidewinder Rotary Cutter Blade Bolt Kit Code 27723SW This listing is for one replacement Sidewinder blade bolt its, code 27723SW which includes one hardened blade bolt and jam nut and one blade mounting bushing, We recommend you change your blade bolts when replacing your blades, worn blade bolts are dangerous and should not be used. Make sure you tighten your blades bolts to the manufacturers recommended torque which should be found in your owners manual. If you can not find the torque specification for your mower please feel free to contact us and we will help you locate it. When properly mounted the threads of the bolt will extend slightly beyond the top of the Jam Nut, if the threads to not exceed past the Jam Nut do not operate the cutter! Remove the bolts and replace with the correct blade bolts! Fits most Sidewinder mowers with 1/2" thick mower blades and 1" Mounting bolts Bolt Specifications: Heat Treated Grade 5 Hex Head Bolt Grade 5 Jam Nut and 1" Thread Diameter X 3" Length 1" id Blade Mounting Bushing with 1/2" Wide Blade Shoulder