Drilling chainsaw bar

I'd like to attach a 20" Husqvarna bar to an Alaskan mill with flush flathead screws instead of the provided clamps to increase lower side clearance for slabbing some of the bark off logs too wide to fit my sawmill. I found suggestions for using a carbide masonry or glass drill in the hardened steel, but nothing on possible damage to the tip sprocket pivot from drilling through it between the four rivets.
https://www.amazon.com/Husqvarna-20-Chainsaw-Guide-Bar/dp/B08HNCZWXX?