Got 40mms, threads open backed holes anyway, just stick out a bit. Went to rural king. They have most bolts and nuts/washers. Glad they came to town. Hobby farm. Critter food, etc. Handy store! Honor farm no tax too. Dog food is taxed. Weird, farm dogs. Yes, weird threads, extra fine. B7200 and MMM, same way. Throws the blades regularly. Usually the center. Don't know why. Cut high, don't hit stuff. It breaks it at times. Pretty good at extracting now. Space it down off the gearbox. It's possible the bolts too soft. Also found blades at a farm store (a third of Kubota's price. hoer the hole is slightly smaller, OEM bolts won't fit. Don't know # of owners (bought at auction). I think it had Kubota blades. Wore out and batted grass, no way they cut. Touch up blades often.01073-51630 BOLT M16x1.5x30 mm
Your more than likely not going to find them locally, Kubota uses an odd thread pitch.
You also need lock washers for them too.
Genuine OEM Kubota (pack of 10)Bolts 01073-51630
Genuine OEM Kubota (pack of 10)Bolts 01073-51630www.pillarsurplus.com
Daedong 04512-50160 (7) Lock Washers 3193-00010 LK3054 | eBay
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Are you close to a dealer? My dealer had them (same as my L35) in stock and they were reasonably priced.Not home to yank one. Missing 2 pedWhat size and thread pitch are my rear lug bolts on my L4200?