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David N.
Reviewed in the United States on May 18, 2025
These were identical replacement grade 8 blade bolts for my Bad Boy MZ Magnum 54” zero turn mower blades. They are for a 5/8” blade hole diameter, and have a 15/16” head, and are exactly the same length as the originals, great product.
Builder Guy in Days Gone by
Reviewed in the United States on April 22, 2025
It fits. The key in getting bolts like this is to make certain of the thread count. From what I have seen all of the Bad Boy mowers use the same 5/8-18 size, so any bolt that is that size, and 1 1/2" long, will work. But don't get stainless steel ones. They look nice and shiny but tend to be softer metal, and what you want in these is shear strength. Those blades take a beating. The key for these bolts, and what you should look for with any bolt needing shear strength, is that these are Grade 8 bolts. Not your standard zinc-plated utility bolt you find at the hardware store.Swapping out my blades at the start of the season and I decided to go with new bolts as well. Amazon offered lightning fast delivery and I got those blades on and the bolts did exactly what they were intended to do. Nuff said. I should mention that the description says for 60" blades. I have no idea why they put that. They should work for any-sized blade on a Bad Boy mower.
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