If the hole saw isn't round, you'll still get a round hole. But you also get a lot of dust and burning smell. I would rather pay more and get a saw that is less out of round.
Circular saw BOSCH GKS 190, 1400 W blue/silver
44 Review
Saw BOSCH Keo, 0600861900
41 Review
Meat grinder Panasonic MK-MG1300WTQ, white
21 Review
Gasoline saw Huter BS-45M 2300 W/3.1 HP black
100 Review
Chest freezer Biryusa 155KX, white
16 Review
πͺ DEWALT DW3984C Portable Blade Set of 3-Pack
10 Review
πͺ Bi-Metal Cutting Blades: Imachinist S933414 - Enhancing Precision and Performance
Enhanced Cutting Efficiency with Olson FB23370DB 0 025 2 Inch Blade