They also make a PVC fitting reamer that would work for what you describe. Obviously, the more expensive ones make a better surface finish but they do work well.
fitting reamer.jpg
2018 - 20 Taps on 3/16, Barrel evaporator with 2 steam pans. Unknown amount.
2019 - Nothing
2020 - 30 Taps on Shurflo, 30 taps on 3/16, 2x5 oil tank evaporator, 11 Gallons.
2021 - 35 Taps on Shurflo, 11 buckets, RB10 RO Bucket, 2x3XL Mason Evaporator. 4 gallons
2022 - 110 Taps on Shurflo, 77 taps on 3/16 gravity, 13 buckets to hit 200, Upgrade to RB15 RO Bucket.
2023 - 110 Taps on Shurflo, New 3/4 Mainline with 125 taps, 2x4 raised flue, Upgrade to Homemade 4x40 RO.