View attachment 365096
Definitely not 7/16

Our local Case IH dealer here in town had 7/8-9 UNC that were the length I needed. I bought the 2 they had on hand. I ended up ordering 8 new 7/8-14 x 9” from them later this afternoon. The course thread just doesn’t have the clamping force - it came loose once already today, even with the 1400 lb ft rated Milwaukee hammering at full throttle..
I checked with Fastenal first and they want $41/ea for them ordered to the store. Case IH sells them by the pound, and it ends up being about $12/ea including the washers and nut. Can’t beat that!