Reikäsaha Bosch Expert 2 608 900 426 4,4 cm porakoneeseen

The Bosch Expert 2 hole saw with a 4.4 cm diameter is a single-piece cutting tool engineered for precision drilling in a variety of common materials. Designed for use with standard drills, this hole saw enables accurate round holes for installations and repairs in brick, plastic, soft ceramic wall tile, stainless steel and wood. Its compact diameter makes it suitable for tasks that require controlled, neat openings where finish and fit matter.

Advantages

This hole saw provides a balance of cutting performance and durability for general-purpose applications. Its single-piece construction reduces vibration and improves stability during drilling, while the cutting edge geometry is optimized to cut through both soft and harder surfaces including stainless steel and masonry. Compatibility with standard drill chucks allows quick setup and straightforward use for professionals and DIY users alike.

Suitable for

• Cutting openings for pipe and conduit penetrations in walls and panels
• Installing fixtures that require round holes such as grommets, switches, or cable ports
• Creating neat holes in woodwork and cabinetry
• Drilling through light masonry and soft ceramic tile for repair and renovation
• Piercing thin stainless steel sheets for ventilation or mounting points

Key specifications

• Cutting diameter: 4.4 cm
• Construction: single-piece hole saw
• Compatible tool: standard drill with appropriate chuck or arbor
• Suitable materials: brick, plastic, soft ceramic wall tile, stainless steel, wood
• Primary use: precision circular cutting and making round openings

How to use

Mark the desired hole location and secure the workpiece to prevent movement. Fit the hole saw into the drill chuck or onto an appropriate arbor according to your drill's instructions. Begin drilling at low speed to establish the cut, then increase speed as stability permits, maintaining firm and even pressure. For hard materials such as stainless steel or masonry, use steady, moderate feed and periodically withdraw the saw to clear chips and reduce heat build-up. After cutting, deburr the edges if necessary to achieve a clean finish.

Recommendations

Use appropriate personal protective equipment such as safety glasses and gloves. For prolonged drilling in metal or masonry, consider using cutting lubricant or intermittent drilling to extend tool life. Always ensure the drill is set to the correct speed and that the workpiece is well supported to avoid binding or chipping.