
Using a twist drill bit might not be the best option for large diameter holes. Why not use a bi-metal or carbide tooth hole saw? But, what’s the best hole saw brand for drilling through mild, medium, and hardened metal? Project Farm finds out!
Each hole saw is compared for speed, accuracy of hole size, durability, and price. Brands tested:
- Diablo,
- Milwaukee Hole Dozer,
- MK Morse,
- Irwin,
- DeWalt 2x,
- Dewalt Impact Ready,
- DeWalt Carbide,
- Lenox,
- TCT Carbide,
- Milwaukee Shockwave,
- Drill Hog, and
- Bosch HB100.
Project Farm purchased all of the hole saws tested — No sponsors or free products from manufacturers.