Bosch Bi-Metal Hole Saw 4.25 in. (Model HBT425)

Engineered for smooth cutting and precise hole placement, the Bosch Bi-Metal Hole Saw delivers professional‐grade performance in wood, metal, plastic and more. Crafted with an M42 bi‐metal blade containing 8% cobalt, it withstands high temperatures and maintains sharpness for consistent, clean cuts. Reinforced shoulders and innovative chip‐clearance slots ensure durability, efficient plug removal and reduced heat buildup—so you can focus on the job without downtime.

Key Features

• Professional hole saw design for improved durability, clean cuts and easy plug removal
• Enhanced M42 bi‐metal alloy (8% cobalt) for high‐heat resistance and long-lasting sharpness
• Progressor tooth pattern with alternating tooth sizes for faster cutting in multiple materials
• Triangle chip-clearance slots speed plug ejection and minimize heat buildup
• Reinforced shoulders provide added strength and extended tool life

⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.