Spiral cutting drill bit Bosch 2 608 597 775 5.5 mm

The Bosch 2 608 597 775 5.5 mm spiral cutting drill bit is a single-piece rotary-hammer accessory designed for precise hole-making. With a 5.5 mm diameter and spiral cutting geometry, the bit provides steady chip evacuation and consistent drilling performance in concrete, masonry and similar building materials. Its construction supports professional and DIY use where accuracy and dependable hole quality are required.

Advantages

The spiral cutting profile reduces binding and assists continuous removal of debris from the hole, which helps maintain drilling speed and reduces wear on the cutting edges. The single-piece design improves strength at the shaft and tip junction, reducing the risk of breakage under impact loads. The 5.5 mm diameter offers a balance between small hole precision and sufficient clearance for anchors, dowels or fixtures commonly used in construction and renovation tasks.

Suitable for

• Drilling holes in concrete and masonry for anchors and plugs
• Precision pickup drills where a 5.5 mm hole is required
• Rotary-hammer drilling tasks requiring steady chip evacuation
• Professional construction and home renovation projects

Key specifications

• Diameter: 5.5 mm
• Type: Spiral cutting drill bit for rotary hammers
• Construction: Single-piece design for increased strength
• Primary materials: Suitable for concrete, masonry and similar substrates
• Shank style: Compatible with standard rotary-hammer chucks

How to use

Select an appropriate rotary hammer with a compatible chuck and set the unit to the rotary-hammer drilling mode. Secure the drill bit in the chuck according to the tool manufacturer’s instructions. Mark the drilling point, start drilling at low speed to establish the hole, then apply steady pressure while allowing the spiral flute to evacuate chips. Periodically withdraw the bit to clear accumulated debris for deeper holes. After completing the hole, inspect the edge for chipping and clean the hole prior to inserting anchors or fasteners.

Usage recommendations

Use personal protective equipment including safety glasses, hearing protection and dust mask when drilling. For best results in reinforced concrete or very hard materials, select a bit that matches the substrate hardness and avoid excessive axial force that can cause premature wear or damage. Store the drill bit dry and protected from mechanical damage to preserve cutting performance.