Centering drill bit Bosch 2 608 900 604

The Bosch 2 608 900 604 centering drill bit (diameter 4 mm) is designed for precise pilot drilling and accurate centring of screws, dowels and fasteners. This single-piece centring bit provides a reliable starting point for drilling operations in wood, plasterboard and other common building materials, helping to reduce bit walking and ensure straight holes.

Advantages

This centering drill bit offers a compact 4 mm diameter for accurate pilot holes, a single-piece design for durability and stable performance, and a ground tip that improves centring and reduces slippage during start-up. The bit is compatible with standard drill chucks and is suitable for use in both professional and DIY settings.

Suitable for

• Creating pilot holes for screws and dowels
• Starting holes in wood and plasterboard
• Accurate centring before larger drilling or countersinking

Key specifications

• Brand: Bosch
• Manufacturer part number (MPN): 2 608 900 604
• EAN: 4059952538976
• Diameter: 4 mm
• Piece count: 1
• Category: Drill Bits

How to use

Mark the desired hole position, clamp or steady the workpiece, and insert the centering drill bit into the drill chuck. Start drilling at low speed to ensure the ground tip centres correctly, then increase speed as needed while maintaining steady pressure. Use the centring hole as a guide for final drilling or for inserting screws and dowels.

Usage recommendations

Use appropriate personal protective equipment, secure the workpiece to prevent movement, and avoid excessive side pressure to prolong bit life. Replace the bit if tip wear affects accuracy.