Drill Bit Bosch 2609255079 8 mm Diameter 117 mm Length

The Bosch 2609255079 drill bit with an 8 mm diameter and 117 mm overall length is designed for precision drilling in a variety of materials. Manufactured with durable steel and a geometry optimised for effective chip removal and stable cutting, this drill bit supports consistent hole quality and longer service life. The straight shank and standard mounting dimensions make it compatible with most handheld drills and drill presses.

Advantages

This 8 mm drill bit offers accurate hole diameter control and reliable concentricity, reducing wobble during drilling. Its length provides extended reach for deeper holes and working in recessed areas while maintaining stiffness for controlled penetration. The construction resists wear from repetitive use, ensuring sustained cutting performance and fewer replacements over time.

Suitable for

• Drilling through metal sheets and structural steel components
• Working with wood and composite materials where a precise 8 mm hole is required
• General-purpose drilling in workshops, construction sites, and home improvement projects
• Use in handheld drills and drill presses for through-holes and pilot holes

Key specifications

• Diameter: 8 mm
• Overall length: 117 mm
• Material: hardened steel (manufacturing-grade for cutting durability)
• Shank type: straight shank compatible with standard chucks
• Tip geometry: optimized for efficient chip evacuation and reduced walking

How to use

Select an appropriate drilling speed and clamp the workpiece securely before starting. Mark the drilling position and, if necessary, use a centre punch to prevent the bit from slipping. Fit the 8 mm drill bit into the chuck and tighten firmly. Apply steady pressure, keeping the drill axis aligned with the intended hole; withdraw occasionally to clear chips when drilling deeper holes. After use, clean the flutes and store the bit in a dry place to prevent corrosion.

Usage recommendations

For best results, use cutting lubricant when drilling metals, reduce speed for harder materials, and avoid excessive lateral forces. Inspect the bit for wear or damage before use and replace it if cutting performance deteriorates to maintain hole accuracy and safety.