Precision and Durability

This set of 10 twist drills with a diameter of 5.1 mm is made from high-quality HSS-S (High-Speed Steel) and offers excellent performance when drilling in various metals. The ground finish ensures a sharp cutting edge, resulting in precise and clean drill holes.

Technical Specifications

• Diameter: 5.1 mm
• Total length: 86 mm
• Cutting length: 52 mm
• Point angle: 118°
• Shank: Cylindrical
• Standard: DIN 338

Application Possibilities

These twist drills are suitable for drilling in:

• Unalloyed and alloyed steel up to 1000 N/mm²
• Stainless steel up to 850 N/mm²
• Cast iron
• Copper and copper alloys
• Aluminium alloys with a silicon content of 10-24%

Advantages of the Cross-Grinding

The cross-grinding from 1.0 mm diameter provides:

• Better centering without pre-drilling
• Reduced required feed force
• Improved chip removal

Suitable for Various Drilling Machines

Thanks to the cylindrical shank, these drills are compatible with most drilling machines, both manual and stationary. The standard spiral design (Type N) makes them versatile for different drilling applications.

Maintenance and Storage

To extend the lifespan of the drills, it is recommended to clean them after use and store them in a dry place. Regular sharpening keeps the cutting edges sharp and ensures optimal performance.

Contents of the Package

• 10 pieces HSS-S twist drills ground 5.1 mm

With this set, you are assured of reliable and precise drilling performance for all your metalworking projects.