Bosch HSS-R Metal Drill Bit 2.5 mm x 57 mm (2609255064)

For metalworkers and maintenance technicians drilling precise 2.5 mm holes in alloyed steel, cast iron, stainless steel, or non-ferrous metals, this Bosch HSS-R twist drill bit delivers clean, accurate results. Its rolled high-speed steel construction and 118° point angle ensure efficient cutting and long life in both corded and cordless drills.

Key specifications

• Diameter: 2.5 mm
• Total length: 57 mm
• Working length: 30 mm
• Material: High-speed steel (HSS-R)
• Shank type: Cylindrical
• Point angle: 118°
• Manufacturing process: Rolled
• Standard: DIN 338
• Suitable for: Alloyed and unalloyed steel, cast iron, stainless steel, non-ferrous metals, plastics

Why choose it

This drill bit is manufactured to DIN 338, ensuring consistent quality and performance. The rolled HSS-R construction provides a good balance of hardness and toughness, making it suitable for a wide range of metal drilling tasks. Its cylindrical shank fits standard drill chucks, and the 118° point angle is ideal for general-purpose drilling in metal.

Ideal use cases

• Drilling pilot holes for screws in steel or cast iron
• Creating holes for rivets or small fasteners in stainless steel
• Precision drilling in non-ferrous metals like aluminum or brass
• Drilling plastic components where a clean hole is required

Good to know

The working length of 30 mm allows for drilling through materials up to that depth. For best results, use a suitable cutting fluid when drilling stainless steel or other hard metals, and operate at the recommended speed for the material.