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.
Vertical router BOSCH POF 1400 ACE 060326C820, 1400 W green
30 Review
Meat grinder Panasonic MK-MG1300WTQ, white
21 Review
Saw BOSCH Keo, 0600861900
41 Review
Circular saw Makita HS7601, 1200 W blue/silver
58 Review
Enhanced Cutting Efficiency with Olson FB23370DB 0 025 2 Inch Blade
10 Review
POWERTEC 62-Inch 8-Inch Blade - Model 13132X
12 Review
πͺ Bi-Metal Cutting Blades: Imachinist S933414 - Enhancing Precision and Performance
Olson 80 Inch Blade FB14580DB-025