Hole Saw Bosch Bi-Metal 2.7 cm, Single, for Drill — Drywall, Metal, Plastic, Softwood

Bosch Bi-Metal hole saw with a 2.7 cm diameter is a single-piece cutting tool designed for use with standard drills. Its bi-metal construction combines high-speed steel with cobalt alloy to provide a balance of toughness and wear resistance. The saw is intended for creating clean circular openings in drywall, various metals, plastic and softwood, useful when routing cables, installing pipes or fixing fixtures during construction and renovation.

Advantages

The bi-metal composition with cobalt reinforcement increases edge life and reduces the risk of premature dulling when cutting through harder materials. A Vario tooth configuration supports smooth entry and consistent cutting performance across different substrates. The single-piece design and compatibility with standard adapters simplify mounting and reduce setup time, while the 44 mm cutting depth provides sufficient reach for thin to moderate thickness panels.

Suitable for

• Cutting circular openings in drywall for electrical boxes and cable access
• Drilling holes through ferrous and non-ferrous metal sheets
• Making passages in plastic panels and PVC installations
• Creating openings in softwood for pipe fixtures and carpentry work

Key specifications

• Diameter: 2.7 cm
• Construction: bi-metal (high-speed steel with cobalt alloy)
• Tooth design: Vario tooth strip for smooth cuts
• Cutting depth: suitable for hole saws with a 44 mm cutting depth
• Compatibility: fits standard drill adapters and arbor systems

How to use

Secure the hole saw to a compatible arbor and attach it to a drill with appropriate speed and torque settings for the target material. Mark the center of the intended opening and use a pilot bit or guide to stabilize the saw during initial penetration. Apply steady, moderate pressure and keep the drill perpendicular to the work surface while cutting. Clear chips periodically to avoid overheating, and allow the tool to cool if necessary. After cutting, deburr the edge of the hole as required.

Usage recommendations

Use variable speed control and appropriate safety equipment such as eye protection and gloves. For metals, reduce drilling speed and use cutting lubricant as needed. For plastics and drywall, moderate speed and light pressure help prevent chipping and melting.