The Bosch Bi-Metal Hole Saw 3.5 in. (Model HBT350) delivers professional-grade performance and durability in a compact, easy-to-use package. Crafted from M42 bi-metal with 8% cobalt, it withstands high temperatures and delivers clean, precise cuts in wood, metal, plastic and drywall. Its deep-cup design and triangle chip-clearance slots ensure fast plug ejection and reduced heat buildup, while reinforced shoulders and a Progressor tooth pattern keep the saw sharper, longer.

Ideal for contractors and DIYers alike, this hole saw works with standard arbors (and the optional SpinLOCK™ Universal Arbor) for versatile compatibility. Whether installing plumbing, wiring or creating precise openings for recessed lighting, the Bosch HBT350 makes every cut faster and more reliable.

Key Features

• Professional hole saw design for improved durability, clean performance and easier plug removal
• Enhanced M42 bi-metal alloy (8% cobalt) for high-temperature resistance and cleaner cuts
• Triangle chip-clearance slot design reduces heat and speeds plug ejection
• Progressor tooth pattern alternates tooth sizes for faster cutting and longer life in wood, metal and plastic
• Reinforced shoulders add strength and extend tool life
• Deep-cup configuration supports deeper cuts without slowing performance
• Fast, long-lasting teeth resist wear under sustained use
• Compatible 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.