Bosch Bi-Metal Hole Saw Set, 15 Piece (Model HBT15M)

Unlock clean, precise holes in wood, metal, drywall and plastic with the Bosch 15-piece Professional Bi-Metal Hole Saw Set. Engineered with Bosch’s advanced M42 cobalt alloy and precision tooth geometry, this all-in-one kit delivers fast cuts, long life and effortless plug removal across a variety of materials. Housed in a rugged carrying case, it’s the versatile solution electricians, plumbers and general contractors trust on-site.

Whether you’re installing conduit, running wiring or cutting ventilation ducts, this master set gives you everything you need for the most common hole-saw applications:

Key Features

• Bi-Metal construction for fast, reliable cuts in wood, metal, plastic and drywall
• Professional hole saw design with improved durability and clean performance
• Enhanced M42 cobalt alloy (8% cobalt) for high-temperature resistance and 20% longer life
• Triangle slot (chip-clearance) design for rapid plug ejection and reduced heat buildup
• Progressor tooth geometry with alternating tooth sizes for faster cutting and extended blade life
• Reinforced shoulders add strength and prevent cup deformation under heavy loads
• Compatible with standard arbors and includes a universal SpinLOCK™ arbor for quick setup

Kit Contents & Applications

This 15-piece hole saw set includes a range of popular cup sizes, a universal arbor, pilot bit and hex key—ideal for electrical boxes, plumbing penetrations, HVAC installations and general-purpose drilling tasks.

⚠️ 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.