Ground HSS-Co drill according to DIN 338 standard, with a diameter of 7 mm, designed for general applications in steel and metal up to a resistance of 120 kg/mm². Its self-centering tip and 135° angle allow precise drilling initiation, while the N-type helix of 30° ensures efficient material evacuation during the cutting process.
Technical Specifications
- Diameter: 7 mm
- Material: HSS-Co 5%
- Standard: DIN 338
- Tip Angle: 135°
- Helix Type: N 30°
- Sharpness: Self-centering
This drill offers high durability and precision in drilling operations, making it especially suitable for industrial work that requires wear resistance and consistent performance under high-pressure and high-temperature conditions.
A lubricant is recommended during the drilling process to improve tool life. Proper operation depends on correct speed and feed control on the machine tools used.