BOSCH HBT450 4-1/2 in. Bi-Metal Hole Saw
Bi-metal hole saw with cobalt alloy for high-temp durability and clean cuts. Improves plug removal efficiency with triangle chip-clearance design; alternating tooth size enhances performance. Customers note solid build and effective cutting, with mixed views on durability over multiple uses
Highlights
- 8% cobalt alloy for high-temp durability
- triangle chip-clearance for efficient plug removal
- progressor tooth design with alternating teeth
Pros
- improved durability
- clean performance
- efficient plug removal
- high-temperature alloy (8% cobalt)
- alternating tooth design for performance
Cons
- mixed durability/sharpness feedback from users
- some reports of breakage on second hole
- dullness after multiple uses
Best For
Features
- Bi-metal T-slot hole saw design for improved durability and plug removal
- M42 alloy with 8% cobalt for high-temperature resistance and cleaner cuts
- Triangle chip-clearance slots enhance plug removal and reduce heat
- Progressor tooth design with alternating tooth sizes for faster cuts across wood, metal, and plastic
- Reinforced shoulders add strength and extend tool life
