Bosch Bi-Metal Hole Saw 3 in. (Model HBT300)

Engineered for professionals and serious DIYers alike, the Bosch 3″ Bi-Metal Hole Saw delivers fast, precise hole cutting in a variety of materials—from wood and drywall to metal and plastic. Its thicker cup depth and reinforced construction help you tackle thicker surfaces with confidence, while chip-clearance slots and fast plug-eject features keep your workflow moving without downtime.

Built on Bosch’s legacy of innovation, this hole saw features a durable M42 bi-metal alloy with 8 % cobalt for long life under high-temperature conditions. Whether you’re installing plumbing, running electrical, or fitting ductwork, the Bosch 3″ Bi-Metal Hole Saw offers clean cuts, easy plug removal, and versatile arbor compatibility to keep you working efficiently.

Key Features

• Professional hole saw design for improved durability, cleaner cuts and effortless plug removal
• Enhanced M42 bi-metal alloy (8 % cobalt) resists heat and maintains sharpness
• Triangle chip-clearance slots reduce heat buildup and accelerate debris removal
• Progressor™ tooth design alternates between large and small teeth for faster cutting in wood, metal & plastic
• Reinforced shoulders add strength and extend tool life
• Extra-deep cup drills through thicker materials—ideal for wood, drywall, metal and plastic
• Fast plug-eject slots for quick material removal without stopping to pry out plugs
• Versatile compatibility with standard arbors and SpinLOCK® Universal arbor (sold separately)

⚠️ 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.