This is a A-HL418N Bolt, Blade PN: HL418NMain Description As Following : A-HL418N Bolt, Blade P.N: HL418N New rotary cutter blade bolt . Bolt overall length is 3.563", 1" thread length. Should diameter is 1.47". Bolt is used with A-7A4998 lock washer and A-7A4999 jam nut. Fits Hico / Howse disc mowers.Bolt has square neckBolt Diameter: 1.114"Head Diameter: 2.50"Neck Diameter: 1.47" sqOverall Length: 3.63"Shoulder Diameter: 1.47"Shoulder Length: 1"Thread Length: 2.125" Found in Section & Models : Hay Tool Parts > Disc Mower Blade Bolts & Nuts, Howse MOWER, DISC: SEVERAL (w/ new square shoulder) Associated Items : A-7A5575 Also This is An Aftermarket Product And : New rotary cutter blade bolt . Bolt overall length is 3.563", 1" thread length. Should diameter is
1.47". Bolt is used with A-7A4998 lock washer and A-7A4999 jam nut. Fits Hico / Howse disc mowers. Bolt has square neck Bolt Diameter: 1.114" Head Diameter: 2.50" Neck Diameter: 1.47" sq Overall Length: 3.63" Shoulder Diameter: 1.47" Shoulder Length: 1" Thread Length: 2.125"