Endura 3 Pivot hole size?

[Macchina]

I just received an Endura 3 in a trade today, and I can say I like it a lot more than my last two Endura 4's. The Endura 4 seemed to have way to wide of a bevel grind on the blade, and slicing was a pain. This older model has a much narrower grind, making the blade a much better slicer. The handle is also FRN only (no liners), so I was able to grind down the funny finger groves to fit my hand much better. The only quirk is a vertical blade play that wiggles with very little pressure. I was wondering if anyone knew the diameter of the pivot hole so I can push out the existing pin and put in a pivot screw. Is it by any chance the same as the Manix?