Drill bit Bosch Expert 2 2608902358 — Twist drill bit, Ø 1.2 cm, 1 pc

Twist drill bit Bosch Expert 2 2608902358 — Twist drill bit, Ø 1.2 cm, 1 pc is a single-piece precision twist drill designed for general-purpose drilling in handheld and bench drills. With a 1.2 cm diameter and a hex shank, this Bosch Expert 2 bit delivers consistent hole size and stable seating in the chuck. The bit is suitable for a range of common building and repair materials where standard cutting geometry and a robust shank are required.

Advantages

The drill bit offers straightforward compatibility with quick-change chucks thanks to its hex shank and provides reliable centring and cutting performance for routine drilling tasks. Its construction supports drilling into a variety of materials including concrete, plastic, soft tile, softwood and steel, making it a versatile single-piece solution. The visible blue and silver finish allows for easy identification in a tool kit.

Suitable for

• Drilling precise 1.2 cm holes in wood for dowels and fittings
• Creating openings in plastic housings and panels
• Making pilot holes in soft tile and thin concrete for anchors
• General metalworking tasks in thin steel sheets and brackets
• Quick-change drilling operations with hex-shank chucks

Key specifications

• Type: Twist drill bit
• Diameter: 12 mm (1.2 cm)
• Overall length: 250 mm
• Shank: Hex shank for secure grip in quick-change chucks
• Compatible materials: Concrete, Plastic, Soft tile, Softwood, Steel
• Finish: Blue and silver
• Quantity: 1 piece

How to use

Secure the Bosch Expert 2 12 mm twist drill bit in the drill chuck or quick-change adapter, ensuring the hex shank seats fully for stable rotation. Select an appropriate rotational speed and feed pressure for the material—lower speeds and steady pressure for concrete and steel, higher speeds for wood and plastic. Begin drilling with controlled entry to avoid walking; for brittle materials such as soft tile, start with a pilot mark or use masking tape to reduce chipping. Withdraw the bit periodically on deep holes to clear debris and prevent overheating.

Recommendations

Use appropriate personal protective equipment such as safety glasses and gloves. For drilling into concrete or tile, consider a suitable hammer or masonry mode only if the bit and drill specify compatibility; otherwise use rotary drilling only. When working with metal, apply cutting fluid on thicker sections to extend tool life. Store the bit in a dry toolbox to prevent corrosion and keep the hex shank clean for reliable clamping.