I have several projects to put speakers in old ammo boxes. I was carrying a bi-metal hole saw (it was old) and decided to try this. 6 holes later, a large amount of cutting fluid and slow drilling speed was used with great success!
Circular saw BOSCH GKS 190, 1400 W blue/silver
44 Review
Circular saw Makita HS7601, 1200 W blue/silver
58 Review
Sawing machine DeWALT DWE7485, 1850 W
52 Review
Impact drill BOSCH GSB 13 RE (0 601 217 100), 600 W blue
37 Review
Olson 80 Inch Blade FB14580DB-025
10 Review
POWERTEC 62-Inch 8-Inch Blade - Model 13132X
12 Review
πͺ Bi-Metal Cutting Blades: Imachinist S933414 - Enhancing Precision and Performance
Chest freezer Biryusa 155KX, white
16 Review